Home / 382,912.20-574,368.42-172,304.10

Finding the Fourth Proportional to 382,912.20, 574,368.42 and 172,304.10

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Solution

The fourth proportional to 382,912.20, 574,368.42 and 172,304.10 is: 258,456.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,912.20 : 574,368.42 = 172,304.10 : x
  2. Step 2: Convert to fraction form
    382,912.20/574,368.42 = 172,304.10/x
  3. Step 3: Cross multiply
    382,912.20x = 574,368.42 × 172,304.10
  4. Step 4: Simplify right side
    382,912.20x = 98,966,033,676.52
  5. Step 5: Solve for x
    x = 98,966,033,676.52/382,912.20
  6. Step 6: Final answer
    x = 258,456.20

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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.