Home / 278,570.04-383,565.89-217,562.66

Finding the Fourth Proportional to 278,570.04, 383,565.89 and 217,562.66

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Solution

The fourth proportional to 278,570.04, 383,565.89 and 217,562.66 is: 299,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,570.04 : 383,565.89 = 217,562.66 : x
  2. Step 2: Convert to fraction form
    278,570.04/383,565.89 = 217,562.66/x
  3. Step 3: Cross multiply
    278,570.04x = 383,565.89 × 217,562.66
  4. Step 4: Simplify right side
    278,570.04x = 83,449,614,898.66
  5. Step 5: Solve for x
    x = 83,449,614,898.66/278,570.04
  6. Step 6: Final answer
    x = 299,564.22

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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.