Home / 439,511.72-659,293.10-169,641.38

Finding the Fourth Proportional to 439,511.72, 659,293.10 and 169,641.38

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Solution

The fourth proportional to 439,511.72, 659,293.10 and 169,641.38 is: 254,471.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,511.72 : 659,293.10 = 169,641.38 : x
  2. Step 2: Convert to fraction form
    439,511.72/659,293.10 = 169,641.38/x
  3. Step 3: Cross multiply
    439,511.72x = 659,293.10 × 169,641.38
  4. Step 4: Simplify right side
    439,511.72x = 111,843,393,890.02
  5. Step 5: Solve for x
    x = 111,843,393,890.02/439,511.72
  6. Step 6: Final answer
    x = 254,471.93

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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.