Home / 397,379.03-548,397.47-227,645.96

Finding the Fourth Proportional to 397,379.03, 548,397.47 and 227,645.96

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Solution

The fourth proportional to 397,379.03, 548,397.47 and 227,645.96 is: 314,159.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,379.03 : 548,397.47 = 227,645.96 : x
  2. Step 2: Convert to fraction form
    397,379.03/548,397.47 = 227,645.96/x
  3. Step 3: Cross multiply
    397,379.03x = 548,397.47 × 227,645.96
  4. Step 4: Simplify right side
    397,379.03x = 124,840,466,346.85
  5. Step 5: Solve for x
    x = 124,840,466,346.85/397,379.03
  6. Step 6: Final answer
    x = 314,159.68

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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.