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Finding the Fourth Proportional to 284,224.52, 426,085.90 and 115,885.66

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Solution

The fourth proportional to 284,224.52, 426,085.90 and 115,885.66 is: 173,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,224.52 : 426,085.90 = 115,885.66 : x
  2. Step 2: Convert to fraction form
    284,224.52/426,085.90 = 115,885.66/x
  3. Step 3: Cross multiply
    284,224.52x = 426,085.90 × 115,885.66
  4. Step 4: Simplify right side
    284,224.52x = 49,377,245,738.19
  5. Step 5: Solve for x
    x = 49,377,245,738.19/284,224.52
  6. Step 6: Final answer
    x = 173,726.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.