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Finding the Fourth Proportional to 322,250.67, 483,337.80 and 85,611.60

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Solution

The fourth proportional to 322,250.67, 483,337.80 and 85,611.60 is: 128,407.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,250.67 : 483,337.80 = 85,611.60 : x
  2. Step 2: Convert to fraction form
    322,250.67/483,337.80 = 85,611.60/x
  3. Step 3: Cross multiply
    322,250.67x = 483,337.80 × 85,611.60
  4. Step 4: Simplify right side
    322,250.67x = 41,379,322,398.48
  5. Step 5: Solve for x
    x = 41,379,322,398.48/322,250.67
  6. Step 6: Final answer
    x = 128,407.25

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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.