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Finding the Fourth Proportional to 306,385.87, 459,591.17 and 106,726.45

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Solution

The fourth proportional to 306,385.87, 459,591.17 and 106,726.45 is: 160,093.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,385.87 : 459,591.17 = 106,726.45 : x
  2. Step 2: Convert to fraction form
    306,385.87/459,591.17 = 106,726.45/x
  3. Step 3: Cross multiply
    306,385.87x = 459,591.17 × 106,726.45
  4. Step 4: Simplify right side
    306,385.87x = 49,050,534,025.45
  5. Step 5: Solve for x
    x = 49,050,534,025.45/306,385.87
  6. Step 6: Final answer
    x = 160,093.98

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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.