Home / 460,218.69-690,375.15-176,147.91

Finding the Fourth Proportional to 460,218.69, 690,375.15 and 176,147.91

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Solution

The fourth proportional to 460,218.69, 690,375.15 and 176,147.91 is: 264,239.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,218.69 : 690,375.15 = 176,147.91 : x
  2. Step 2: Convert to fraction form
    460,218.69/690,375.15 = 176,147.91/x
  3. Step 3: Cross multiply
    460,218.69x = 690,375.15 × 176,147.91
  4. Step 4: Simplify right side
    460,218.69x = 121,608,139,788.44
  5. Step 5: Solve for x
    x = 121,608,139,788.44/460,218.69
  6. Step 6: Final answer
    x = 264,239.90

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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.