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Finding the Fourth Proportional to 284,677.50, 392,854.95 and 171,523.74

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Solution

The fourth proportional to 284,677.50, 392,854.95 and 171,523.74 is: 236,702.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,677.50 : 392,854.95 = 171,523.74 : x
  2. Step 2: Convert to fraction form
    284,677.50/392,854.95 = 171,523.74/x
  3. Step 3: Cross multiply
    284,677.50x = 392,854.95 × 171,523.74
  4. Step 4: Simplify right side
    284,677.50x = 67,383,950,301.51
  5. Step 5: Solve for x
    x = 67,383,950,301.51/284,677.50
  6. Step 6: Final answer
    x = 236,702.76

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1.5x scale

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.