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Finding the Fourth Proportional to 306,250.50, 459,468.90 and 156,595.85

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Solution

The fourth proportional to 306,250.50, 459,468.90 and 156,595.85 is: 234,941.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,250.50 : 459,468.90 = 156,595.85 : x
  2. Step 2: Convert to fraction form
    306,250.50/459,468.90 = 156,595.85/x
  3. Step 3: Cross multiply
    306,250.50x = 459,468.90 × 156,595.85
  4. Step 4: Simplify right side
    306,250.50x = 71,950,920,646.72
  5. Step 5: Solve for x
    x = 71,950,920,646.72/306,250.50
  6. Step 6: Final answer
    x = 234,941.40

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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.