Home / 386,474.20-579,452.10-176,003.80

Finding the Fourth Proportional to 386,474.20, 579,452.10 and 176,003.80

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Solution

The fourth proportional to 386,474.20, 579,452.10 and 176,003.80 is: 263,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,474.20 : 579,452.10 = 176,003.80 : x
  2. Step 2: Convert to fraction form
    386,474.20/579,452.10 = 176,003.80/x
  3. Step 3: Cross multiply
    386,474.20x = 579,452.10 × 176,003.80
  4. Step 4: Simplify right side
    386,474.20x = 101,985,771,517.98
  5. Step 5: Solve for x
    x = 101,985,771,517.98/386,474.20
  6. Step 6: Final answer
    x = 263,887.66

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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.