Home / 377,945.27-521,565.18-205,862.70

Finding the Fourth Proportional to 377,945.27, 521,565.18 and 205,862.70

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Solution

The fourth proportional to 377,945.27, 521,565.18 and 205,862.70 is: 284,090.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,945.27 : 521,565.18 = 205,862.70 : x
  2. Step 2: Convert to fraction form
    377,945.27/521,565.18 = 205,862.70/x
  3. Step 3: Cross multiply
    377,945.27x = 521,565.18 × 205,862.70
  4. Step 4: Simplify right side
    377,945.27x = 107,370,816,180.79
  5. Step 5: Solve for x
    x = 107,370,816,180.79/377,945.27
  6. Step 6: Final answer
    x = 284,090.92

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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.