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Finding the Fourth Proportional to 335,324.98, 502,987.61 and 82,610.39

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Solution

The fourth proportional to 335,324.98, 502,987.61 and 82,610.39 is: 123,915.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,324.98 : 502,987.61 = 82,610.39 : x
  2. Step 2: Convert to fraction form
    335,324.98/502,987.61 = 82,610.39/x
  3. Step 3: Cross multiply
    335,324.98x = 502,987.61 × 82,610.39
  4. Step 4: Simplify right side
    335,324.98x = 41,552,001,499.45
  5. Step 5: Solve for x
    x = 41,552,001,499.45/335,324.98
  6. Step 6: Final answer
    x = 123,915.61

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1.5x scale

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.