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Finding the Fourth Proportional to 575,773.52, 863,658.92 and 155,049.76

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Solution

The fourth proportional to 575,773.52, 863,658.92 and 155,049.76 is: 232,574.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,773.52 : 863,658.92 = 155,049.76 : x
  2. Step 2: Convert to fraction form
    575,773.52/863,658.92 = 155,049.76/x
  3. Step 3: Cross multiply
    575,773.52x = 863,658.92 × 155,049.76
  4. Step 4: Simplify right side
    575,773.52x = 133,910,108,267.86
  5. Step 5: Solve for x
    x = 133,910,108,267.86/575,773.52
  6. Step 6: Final answer
    x = 232,574.27

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1.5x scale

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.