Home / 274,167.43-378,348.91-153,308.95

Finding the Fourth Proportional to 274,167.43, 378,348.91 and 153,308.95

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Solution

The fourth proportional to 274,167.43, 378,348.91 and 153,308.95 is: 211,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,167.43 : 378,348.91 = 153,308.95 : x
  2. Step 2: Convert to fraction form
    274,167.43/378,348.91 = 153,308.95/x
  3. Step 3: Cross multiply
    274,167.43x = 378,348.91 × 153,308.95
  4. Step 4: Simplify right side
    274,167.43x = 58,004,274,125.74
  5. Step 5: Solve for x
    x = 58,004,274,125.74/274,167.43
  6. Step 6: Final answer
    x = 211,565.15

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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.