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Finding the Fourth Proportional to 440,509.08, 660,788.64 and 124,941

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Solution

The fourth proportional to 440,509.08, 660,788.64 and 124,941 is: 187,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,509.08 : 660,788.64 = 124,941 : x
  2. Step 2: Convert to fraction form
    440,509.08/660,788.64 = 124,941/x
  3. Step 3: Cross multiply
    440,509.08x = 660,788.64 × 124,941
  4. Step 4: Simplify right side
    440,509.08x = 82,559,593,470.24
  5. Step 5: Solve for x
    x = 82,559,593,470.24/440,509.08
  6. Step 6: Final answer
    x = 187,418.60

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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.