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Finding the Fourth Proportional to 339,952.70, 510,001.95 and 103,319.30

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Solution

The fourth proportional to 339,952.70, 510,001.95 and 103,319.30 is: 155,001.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,952.70 : 510,001.95 = 103,319.30 : x
  2. Step 2: Convert to fraction form
    339,952.70/510,001.95 = 103,319.30/x
  3. Step 3: Cross multiply
    339,952.70x = 510,001.95 × 103,319.30
  4. Step 4: Simplify right side
    339,952.70x = 52,693,044,472.64
  5. Step 5: Solve for x
    x = 52,693,044,472.64/339,952.70
  6. Step 6: Final answer
    x = 155,001.11

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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.