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Finding the Fourth Proportional to 386,594, 533,500.68 and 225,559.76

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Solution

The fourth proportional to 386,594, 533,500.68 and 225,559.76 is: 311,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,594 : 533,500.68 = 225,559.76 : x
  2. Step 2: Convert to fraction form
    386,594/533,500.68 = 225,559.76/x
  3. Step 3: Cross multiply
    386,594x = 533,500.68 × 225,559.76
  4. Step 4: Simplify right side
    386,594x = 120,336,285,340.64
  5. Step 5: Solve for x
    x = 120,336,285,340.64/386,594
  6. Step 6: Final answer
    x = 311,273.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.