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Finding the Fourth Proportional to 560,565.29, 840,347.95 and 205,496.44

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Solution

The fourth proportional to 560,565.29, 840,347.95 and 205,496.44 is: 308,061.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,565.29 : 840,347.95 = 205,496.44 : x
  2. Step 2: Convert to fraction form
    560,565.29/840,347.95 = 205,496.44/x
  3. Step 3: Cross multiply
    560,565.29x = 840,347.95 × 205,496.44
  4. Step 4: Simplify right side
    560,565.29x = 172,688,512,086.30
  5. Step 5: Solve for x
    x = 172,688,512,086.30/560,565.29
  6. Step 6: Final answer
    x = 308,061.37

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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.