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Finding the Fourth Proportional to 334,451.43, 501,753.75 and 144,943.62

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Solution

The fourth proportional to 334,451.43, 501,753.75 and 144,943.62 is: 217,448.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,451.43 : 501,753.75 = 144,943.62 : x
  2. Step 2: Convert to fraction form
    334,451.43/501,753.75 = 144,943.62/x
  3. Step 3: Cross multiply
    334,451.43x = 501,753.75 × 144,943.62
  4. Step 4: Simplify right side
    334,451.43x = 72,726,004,873.58
  5. Step 5: Solve for x
    x = 72,726,004,873.58/334,451.43
  6. Step 6: Final answer
    x = 217,448.63

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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.