Home / 406,617.20-561,144.04-225,312.17

Finding the Fourth Proportional to 406,617.20, 561,144.04 and 225,312.17

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Solution

The fourth proportional to 406,617.20, 561,144.04 and 225,312.17 is: 310,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,617.20 : 561,144.04 = 225,312.17 : x
  2. Step 2: Convert to fraction form
    406,617.20/561,144.04 = 225,312.17/x
  3. Step 3: Cross multiply
    406,617.20x = 561,144.04 × 225,312.17
  4. Step 4: Simplify right side
    406,617.20x = 126,432,581,334.97
  5. Step 5: Solve for x
    x = 126,432,581,334.97/406,617.20
  6. Step 6: Final answer
    x = 310,937.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.