Home / 284,058.24-426,086.40-159,486.72

Finding the Fourth Proportional to 284,058.24, 426,086.40 and 159,486.72

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Solution

The fourth proportional to 284,058.24, 426,086.40 and 159,486.72 is: 239,229.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,058.24 : 426,086.40 = 159,486.72 : x
  2. Step 2: Convert to fraction form
    284,058.24/426,086.40 = 159,486.72/x
  3. Step 3: Cross multiply
    284,058.24x = 426,086.40 × 159,486.72
  4. Step 4: Simplify right side
    284,058.24x = 67,955,122,372.61
  5. Step 5: Solve for x
    x = 67,955,122,372.61/284,058.24
  6. Step 6: Final answer
    x = 239,229.54

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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.