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Finding the Fourth Proportional to 256,900.86, 385,255.44 and 88,373.52

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Solution

The fourth proportional to 256,900.86, 385,255.44 and 88,373.52 is: 132,527.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,900.86 : 385,255.44 = 88,373.52 : x
  2. Step 2: Convert to fraction form
    256,900.86/385,255.44 = 88,373.52/x
  3. Step 3: Cross multiply
    256,900.86x = 385,255.44 × 88,373.52
  4. Step 4: Simplify right side
    256,900.86x = 34,046,379,331.95
  5. Step 5: Solve for x
    x = 34,046,379,331.95/256,900.86
  6. Step 6: Final answer
    x = 132,527.31

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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.