Home / 288,890.27-398,543.19-174,103.69

Finding the Fourth Proportional to 288,890.27, 398,543.19 and 174,103.69

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Solution

The fourth proportional to 288,890.27, 398,543.19 and 174,103.69 is: 240,187.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,890.27 : 398,543.19 = 174,103.69 : x
  2. Step 2: Convert to fraction form
    288,890.27/398,543.19 = 174,103.69/x
  3. Step 3: Cross multiply
    288,890.27x = 398,543.19 × 174,103.69
  4. Step 4: Simplify right side
    288,890.27x = 69,387,838,010.66
  5. Step 5: Solve for x
    x = 69,387,838,010.66/288,890.27
  6. Step 6: Final answer
    x = 240,187.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.