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Finding the Fourth Proportional to 334,783.83, 502,179.82 and 98,131.29

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Solution

The fourth proportional to 334,783.83, 502,179.82 and 98,131.29 is: 147,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,783.83 : 502,179.82 = 98,131.29 : x
  2. Step 2: Convert to fraction form
    334,783.83/502,179.82 = 98,131.29/x
  3. Step 3: Cross multiply
    334,783.83x = 502,179.82 × 98,131.29
  4. Step 4: Simplify right side
    334,783.83x = 49,279,553,548.57
  5. Step 5: Solve for x
    x = 49,279,553,548.57/334,783.83
  6. Step 6: Final answer
    x = 147,198.13

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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.