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Finding the Fourth Proportional to 244,230.90, 366,411.15 and 86,442.90

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Solution

The fourth proportional to 244,230.90, 366,411.15 and 86,442.90 is: 129,687.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,230.90 : 366,411.15 = 86,442.90 : x
  2. Step 2: Convert to fraction form
    244,230.90/366,411.15 = 86,442.90/x
  3. Step 3: Cross multiply
    244,230.90x = 366,411.15 × 86,442.90
  4. Step 4: Simplify right side
    244,230.90x = 31,673,642,398.34
  5. Step 5: Solve for x
    x = 31,673,642,398.34/244,230.90
  6. Step 6: Final answer
    x = 129,687.29

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1.5x scale

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.