Home / 356,437.15-491,864.46-203,469.25

Finding the Fourth Proportional to 356,437.15, 491,864.46 and 203,469.25

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Solution

The fourth proportional to 356,437.15, 491,864.46 and 203,469.25 is: 280,776.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,437.15 : 491,864.46 = 203,469.25 : x
  2. Step 2: Convert to fraction form
    356,437.15/491,864.46 = 203,469.25/x
  3. Step 3: Cross multiply
    356,437.15x = 491,864.46 × 203,469.25
  4. Step 4: Simplify right side
    356,437.15x = 100,079,292,777.86
  5. Step 5: Solve for x
    x = 100,079,292,777.86/356,437.15
  6. Step 6: Final answer
    x = 280,776.83

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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.