Home / 416,404.11-574,635.09-225,416.13

Finding the Fourth Proportional to 416,404.11, 574,635.09 and 225,416.13

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Solution

The fourth proportional to 416,404.11, 574,635.09 and 225,416.13 is: 311,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,404.11 : 574,635.09 = 225,416.13 : x
  2. Step 2: Convert to fraction form
    416,404.11/574,635.09 = 225,416.13/x
  3. Step 3: Cross multiply
    416,404.11x = 574,635.09 × 225,416.13
  4. Step 4: Simplify right side
    416,404.11x = 129,532,018,150.00
  5. Step 5: Solve for x
    x = 129,532,018,150.00/416,404.11
  6. Step 6: Final answer
    x = 311,072.86

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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.