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Finding the Fourth Proportional to 240,080.64, 360,121.12 and 62,587.20

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Solution

The fourth proportional to 240,080.64, 360,121.12 and 62,587.20 is: 93,880.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,080.64 : 360,121.12 = 62,587.20 : x
  2. Step 2: Convert to fraction form
    240,080.64/360,121.12 = 62,587.20/x
  3. Step 3: Cross multiply
    240,080.64x = 360,121.12 × 62,587.20
  4. Step 4: Simplify right side
    240,080.64x = 22,538,972,561.66
  5. Step 5: Solve for x
    x = 22,538,972,561.66/240,080.64
  6. Step 6: Final answer
    x = 93,880.84

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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.