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Finding the Fourth Proportional to 536,007.80, 804,011.70 and 220,302.20

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Solution

The fourth proportional to 536,007.80, 804,011.70 and 220,302.20 is: 330,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,007.80 : 804,011.70 = 220,302.20 : x
  2. Step 2: Convert to fraction form
    536,007.80/804,011.70 = 220,302.20/x
  3. Step 3: Cross multiply
    536,007.80x = 804,011.70 × 220,302.20
  4. Step 4: Simplify right side
    536,007.80x = 177,125,546,335.74
  5. Step 5: Solve for x
    x = 177,125,546,335.74/536,007.80
  6. Step 6: Final answer
    x = 330,453.30

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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.