Home / 382,930.07-574,394.83-172,321.97

Finding the Fourth Proportional to 382,930.07, 574,394.83 and 172,321.97

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Solution

The fourth proportional to 382,930.07, 574,394.83 and 172,321.97 is: 258,482.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,930.07 : 574,394.83 = 172,321.97 : x
  2. Step 2: Convert to fraction form
    382,930.07/574,394.83 = 172,321.97/x
  3. Step 3: Cross multiply
    382,930.07x = 574,394.83 × 172,321.97
  4. Step 4: Simplify right side
    382,930.07x = 98,980,845,360.64
  5. Step 5: Solve for x
    x = 98,980,845,360.64/382,930.07
  6. Step 6: Final answer
    x = 258,482.83

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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.