Home / 440,390.08-660,585.12-124,849.72

Finding the Fourth Proportional to 440,390.08, 660,585.12 and 124,849.72

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Solution

The fourth proportional to 440,390.08, 660,585.12 and 124,849.72 is: 187,274.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,390.08 : 660,585.12 = 124,849.72 : x
  2. Step 2: Convert to fraction form
    440,390.08/660,585.12 = 124,849.72/x
  3. Step 3: Cross multiply
    440,390.08x = 660,585.12 × 124,849.72
  4. Step 4: Simplify right side
    440,390.08x = 82,473,867,268.17
  5. Step 5: Solve for x
    x = 82,473,867,268.17/440,390.08
  6. Step 6: Final answer
    x = 187,274.58

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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.