Home / 440,442.31-660,521.30-124,814.47

Finding the Fourth Proportional to 440,442.31, 660,521.30 and 124,814.47

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Solution

The fourth proportional to 440,442.31, 660,521.30 and 124,814.47 is: 187,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,442.31 : 660,521.30 = 124,814.47 : x
  2. Step 2: Convert to fraction form
    440,442.31/660,521.30 = 124,814.47/x
  3. Step 3: Cross multiply
    440,442.31x = 660,521.30 × 124,814.47
  4. Step 4: Simplify right side
    440,442.31x = 82,442,615,983.21
  5. Step 5: Solve for x
    x = 82,442,615,983.21/440,442.31
  6. Step 6: Final answer
    x = 187,181.42

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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.