Home / 416,265.18-574,445.91-225,278.61

Finding the Fourth Proportional to 416,265.18, 574,445.91 and 225,278.61

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Solution

The fourth proportional to 416,265.18, 574,445.91 and 225,278.61 is: 310,884.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,265.18 : 574,445.91 = 225,278.61 : x
  2. Step 2: Convert to fraction form
    416,265.18/574,445.91 = 225,278.61/x
  3. Step 3: Cross multiply
    416,265.18x = 574,445.91 × 225,278.61
  4. Step 4: Simplify right side
    416,265.18x = 129,410,376,124.99
  5. Step 5: Solve for x
    x = 129,410,376,124.99/416,265.18
  6. Step 6: Final answer
    x = 310,884.46

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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.