Home / 490,024.08-676,171.80-275,163.48

Finding the Fourth Proportional to 490,024.08, 676,171.80 and 275,163.48

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Solution

The fourth proportional to 490,024.08, 676,171.80 and 275,163.48 is: 379,691.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,024.08 : 676,171.80 = 275,163.48 : x
  2. Step 2: Convert to fraction form
    490,024.08/676,171.80 = 275,163.48/x
  3. Step 3: Cross multiply
    490,024.08x = 676,171.80 × 275,163.48
  4. Step 4: Simplify right side
    490,024.08x = 186,057,785,565.86
  5. Step 5: Solve for x
    x = 186,057,785,565.86/490,024.08
  6. Step 6: Final answer
    x = 379,691.11

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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.