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Finding the Fourth Proportional to 273,862.06, 410,807.90 and 84,452.83

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Solution

The fourth proportional to 273,862.06, 410,807.90 and 84,452.83 is: 126,683.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,862.06 : 410,807.90 = 84,452.83 : x
  2. Step 2: Convert to fraction form
    273,862.06/410,807.90 = 84,452.83/x
  3. Step 3: Cross multiply
    273,862.06x = 410,807.90 × 84,452.83
  4. Step 4: Simplify right side
    273,862.06x = 34,693,888,925.47
  5. Step 5: Solve for x
    x = 34,693,888,925.47/273,862.06
  6. Step 6: Final answer
    x = 126,683.81

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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.