Home / 240,159.14-360,246-82,385.31

Finding the Fourth Proportional to 240,159.14, 360,246 and 82,385.31

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Solution

The fourth proportional to 240,159.14, 360,246 and 82,385.31 is: 123,580.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,159.14 : 360,246 = 82,385.31 : x
  2. Step 2: Convert to fraction form
    240,159.14/360,246 = 82,385.31/x
  3. Step 3: Cross multiply
    240,159.14x = 360,246 × 82,385.31
  4. Step 4: Simplify right side
    240,159.14x = 29,678,978,386.26
  5. Step 5: Solve for x
    x = 29,678,978,386.26/240,159.14
  6. Step 6: Final answer
    x = 123,580.47

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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.