Home / 206,437.79-309,657.17-56,680.13

Finding the Fourth Proportional to 206,437.79, 309,657.17 and 56,680.13

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Solution

The fourth proportional to 206,437.79, 309,657.17 and 56,680.13 is: 85,020.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,437.79 : 309,657.17 = 56,680.13 : x
  2. Step 2: Convert to fraction form
    206,437.79/309,657.17 = 56,680.13/x
  3. Step 3: Cross multiply
    206,437.79x = 309,657.17 × 56,680.13
  4. Step 4: Simplify right side
    206,437.79x = 17,551,409,566.88
  5. Step 5: Solve for x
    x = 17,551,409,566.88/206,437.79
  6. Step 6: Final answer
    x = 85,020.33

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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.