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Finding the Fourth Proportional to 463,331.84, 639,344 and 259,393.92

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Solution

The fourth proportional to 463,331.84, 639,344 and 259,393.92 is: 357,933.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,331.84 : 639,344 = 259,393.92 : x
  2. Step 2: Convert to fraction form
    463,331.84/639,344 = 259,393.92/x
  3. Step 3: Cross multiply
    463,331.84x = 639,344 × 259,393.92
  4. Step 4: Simplify right side
    463,331.84x = 165,841,946,388.48
  5. Step 5: Solve for x
    x = 165,841,946,388.48/463,331.84
  6. Step 6: Final answer
    x = 357,933.41

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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.