Home / 391,734.90-587,654.66-155,022.26

Finding the Fourth Proportional to 391,734.90, 587,654.66 and 155,022.26

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Solution

The fourth proportional to 391,734.90, 587,654.66 and 155,022.26 is: 232,554.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    391,734.90 : 587,654.66 = 155,022.26 : x
  2. Step 2: Convert to fraction form
    391,734.90/587,654.66 = 155,022.26/x
  3. Step 3: Cross multiply
    391,734.90x = 587,654.66 × 155,022.26
  4. Step 4: Simplify right side
    391,734.90x = 91,099,550,942.01
  5. Step 5: Solve for x
    x = 91,099,550,942.01/391,734.90
  6. Step 6: Final answer
    x = 232,554.08

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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.