Home / 397,101.72-548,001.60-227,337.12

Finding the Fourth Proportional to 397,101.72, 548,001.60 and 227,337.12

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Solution

The fourth proportional to 397,101.72, 548,001.60 and 227,337.12 is: 313,725.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,101.72 : 548,001.60 = 227,337.12 : x
  2. Step 2: Convert to fraction form
    397,101.72/548,001.60 = 227,337.12/x
  3. Step 3: Cross multiply
    397,101.72x = 548,001.60 × 227,337.12
  4. Step 4: Simplify right side
    397,101.72x = 124,581,105,499.39
  5. Step 5: Solve for x
    x = 124,581,105,499.39/397,101.72
  6. Step 6: Final answer
    x = 313,725.93

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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.