Home / 439,285.81-658,679.02-172,901.92

Finding the Fourth Proportional to 439,285.81, 658,679.02 and 172,901.92

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Solution

The fourth proportional to 439,285.81, 658,679.02 and 172,901.92 is: 259,254.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,285.81 : 658,679.02 = 172,901.92 : x
  2. Step 2: Convert to fraction form
    439,285.81/658,679.02 = 172,901.92/x
  3. Step 3: Cross multiply
    439,285.81x = 658,679.02 × 172,901.92
  4. Step 4: Simplify right side
    439,285.81x = 113,886,867,221.72
  5. Step 5: Solve for x
    x = 113,886,867,221.72/439,285.81
  6. Step 6: Final answer
    x = 259,254.60

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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.