Home / 382,910.20-574,365.39-172,302.10

Finding the Fourth Proportional to 382,910.20, 574,365.39 and 172,302.10

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Solution

The fourth proportional to 382,910.20, 574,365.39 and 172,302.10 is: 258,453.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,910.20 : 574,365.39 = 172,302.10 : x
  2. Step 2: Convert to fraction form
    382,910.20/574,365.39 = 172,302.10/x
  3. Step 3: Cross multiply
    382,910.20x = 574,365.39 × 172,302.10
  4. Step 4: Simplify right side
    382,910.20x = 98,964,362,864.32
  5. Step 5: Solve for x
    x = 98,964,362,864.32/382,910.20
  6. Step 6: Final answer
    x = 258,453.19

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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.