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Finding the Fourth Proportional to 335,326.74, 502,982.82 and 157,735.32

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Solution

The fourth proportional to 335,326.74, 502,982.82 and 157,735.32 is: 236,599.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,326.74 : 502,982.82 = 157,735.32 : x
  2. Step 2: Convert to fraction form
    335,326.74/502,982.82 = 157,735.32/x
  3. Step 3: Cross multiply
    335,326.74x = 502,982.82 × 157,735.32
  4. Step 4: Simplify right side
    335,326.74x = 79,338,156,067.20
  5. Step 5: Solve for x
    x = 79,338,156,067.20/335,326.74
  6. Step 6: Final answer
    x = 236,599.55

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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.