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Finding the Fourth Proportional to 313,188.17, 432,200.82 and 169,948.21

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Solution

The fourth proportional to 313,188.17, 432,200.82 and 169,948.21 is: 234,529.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,188.17 : 432,200.82 = 169,948.21 : x
  2. Step 2: Convert to fraction form
    313,188.17/432,200.82 = 169,948.21/x
  3. Step 3: Cross multiply
    313,188.17x = 432,200.82 × 169,948.21
  4. Step 4: Simplify right side
    313,188.17x = 73,451,755,719.53
  5. Step 5: Solve for x
    x = 73,451,755,719.53/313,188.17
  6. Step 6: Final answer
    x = 234,529.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.