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Finding the Fourth Proportional to 467,095.54, 644,593.82 and 263,148.90

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Solution

The fourth proportional to 467,095.54, 644,593.82 and 263,148.90 is: 363,146.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,095.54 : 644,593.82 = 263,148.90 : x
  2. Step 2: Convert to fraction form
    467,095.54/644,593.82 = 263,148.90/x
  3. Step 3: Cross multiply
    467,095.54x = 644,593.82 × 263,148.90
  4. Step 4: Simplify right side
    467,095.54x = 169,624,154,679.80
  5. Step 5: Solve for x
    x = 169,624,154,679.80/467,095.54
  6. Step 6: Final answer
    x = 363,146.59

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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.