Home / 262,677.33-394,071.35-85,170.50

Finding the Fourth Proportional to 262,677.33, 394,071.35 and 85,170.50

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Solution

The fourth proportional to 262,677.33, 394,071.35 and 85,170.50 is: 127,773.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,677.33 : 394,071.35 = 85,170.50 : x
  2. Step 2: Convert to fraction form
    262,677.33/394,071.35 = 85,170.50/x
  3. Step 3: Cross multiply
    262,677.33x = 394,071.35 × 85,170.50
  4. Step 4: Simplify right side
    262,677.33x = 33,563,253,915.18
  5. Step 5: Solve for x
    x = 33,563,253,915.18/262,677.33
  6. Step 6: Final answer
    x = 127,773.70

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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.