Home / 438,582.27-657,872.96-165,079.55

Finding the Fourth Proportional to 438,582.27, 657,872.96 and 165,079.55

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Solution

The fourth proportional to 438,582.27, 657,872.96 and 165,079.55 is: 247,619.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,582.27 : 657,872.96 = 165,079.55 : x
  2. Step 2: Convert to fraction form
    438,582.27/657,872.96 = 165,079.55/x
  3. Step 3: Cross multiply
    438,582.27x = 657,872.96 × 165,079.55
  4. Step 4: Simplify right side
    438,582.27x = 108,601,369,317.30
  5. Step 5: Solve for x
    x = 108,601,369,317.30/438,582.27
  6. Step 6: Final answer
    x = 247,619.15

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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.