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Finding the Fourth Proportional to 360,010.40, 540,015.60 and 302,273.60

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Solution

The fourth proportional to 360,010.40, 540,015.60 and 302,273.60 is: 453,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,010.40 : 540,015.60 = 302,273.60 : x
  2. Step 2: Convert to fraction form
    360,010.40/540,015.60 = 302,273.60/x
  3. Step 3: Cross multiply
    360,010.40x = 540,015.60 × 302,273.60
  4. Step 4: Simplify right side
    360,010.40x = 163,232,459,468.16
  5. Step 5: Solve for x
    x = 163,232,459,468.16/360,010.40
  6. Step 6: Final answer
    x = 453,410.40

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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.