Home / 360,116.20-539,844.06-138,333.16

Finding the Fourth Proportional to 360,116.20, 539,844.06 and 138,333.16

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Solution

The fourth proportional to 360,116.20, 539,844.06 and 138,333.16 is: 207,372.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,116.20 : 539,844.06 = 138,333.16 : x
  2. Step 2: Convert to fraction form
    360,116.20/539,844.06 = 138,333.16/x
  3. Step 3: Cross multiply
    360,116.20x = 539,844.06 × 138,333.16
  4. Step 4: Simplify right side
    360,116.20x = 74,678,334,727.03
  5. Step 5: Solve for x
    x = 74,678,334,727.03/360,116.20
  6. Step 6: Final answer
    x = 207,372.88

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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.