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Finding the Fourth Proportional to 344,086.40, 515,893.80 and 175,279.88

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Solution

The fourth proportional to 344,086.40, 515,893.80 and 175,279.88 is: 262,799.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,086.40 : 515,893.80 = 175,279.88 : x
  2. Step 2: Convert to fraction form
    344,086.40/515,893.80 = 175,279.88/x
  3. Step 3: Cross multiply
    344,086.40x = 515,893.80 × 175,279.88
  4. Step 4: Simplify right side
    344,086.40x = 90,425,803,356.74
  5. Step 5: Solve for x
    x = 90,425,803,356.74/344,086.40
  6. Step 6: Final answer
    x = 262,799.70

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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.