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Finding the Fourth Proportional to 536,010.40, 804,015.60 and 220,362.40

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Solution

The fourth proportional to 536,010.40, 804,015.60 and 220,362.40 is: 330,543.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,010.40 : 804,015.60 = 220,362.40 : x
  2. Step 2: Convert to fraction form
    536,010.40/804,015.60 = 220,362.40/x
  3. Step 3: Cross multiply
    536,010.40x = 804,015.60 × 220,362.40
  4. Step 4: Simplify right side
    536,010.40x = 177,174,807,253.44
  5. Step 5: Solve for x
    x = 177,174,807,253.44/536,010.40
  6. Step 6: Final answer
    x = 330,543.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.