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Finding the Fourth Proportional to 578,875.85, 868,234.95 and 152,375.96

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Solution

The fourth proportional to 578,875.85, 868,234.95 and 152,375.96 is: 228,543.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,875.85 : 868,234.95 = 152,375.96 : x
  2. Step 2: Convert to fraction form
    578,875.85/868,234.95 = 152,375.96/x
  3. Step 3: Cross multiply
    578,875.85x = 868,234.95 × 152,375.96
  4. Step 4: Simplify right side
    578,875.85x = 132,298,134,011.80
  5. Step 5: Solve for x
    x = 132,298,134,011.80/578,875.85
  6. Step 6: Final answer
    x = 228,543.19

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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.