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Finding the Fourth Proportional to 467,251.60, 644,807.47 and 252,391.67

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Solution

The fourth proportional to 467,251.60, 644,807.47 and 252,391.67 is: 348,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,251.60 : 644,807.47 = 252,391.67 : x
  2. Step 2: Convert to fraction form
    467,251.60/644,807.47 = 252,391.67/x
  3. Step 3: Cross multiply
    467,251.60x = 644,807.47 × 252,391.67
  4. Step 4: Simplify right side
    467,251.60x = 162,744,034,181.78
  5. Step 5: Solve for x
    x = 162,744,034,181.78/467,251.60
  6. Step 6: Final answer
    x = 348,300.65

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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.