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Finding the Fourth Proportional to 335,522.61, 503,128.39 and 125,104.05

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Solution

The fourth proportional to 335,522.61, 503,128.39 and 125,104.05 is: 187,598.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,522.61 : 503,128.39 = 125,104.05 : x
  2. Step 2: Convert to fraction form
    335,522.61/503,128.39 = 125,104.05/x
  3. Step 3: Cross multiply
    335,522.61x = 503,128.39 × 125,104.05
  4. Step 4: Simplify right side
    335,522.61x = 62,943,396,430.58
  5. Step 5: Solve for x
    x = 62,943,396,430.58/335,522.61
  6. Step 6: Final answer
    x = 187,598.08

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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.