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Finding the Fourth Proportional to 475,319.54, 713,096.04 and 138,363.14

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Solution

The fourth proportional to 475,319.54, 713,096.04 and 138,363.14 is: 207,578.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,319.54 : 713,096.04 = 138,363.14 : x
  2. Step 2: Convert to fraction form
    475,319.54/713,096.04 = 138,363.14/x
  3. Step 3: Cross multiply
    475,319.54x = 713,096.04 × 138,363.14
  4. Step 4: Simplify right side
    475,319.54x = 98,666,207,215.97
  5. Step 5: Solve for x
    x = 98,666,207,215.97/475,319.54
  6. Step 6: Final answer
    x = 207,578.69

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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.