Home / 242,822.60-364,233.90-76,610.60

Finding the Fourth Proportional to 242,822.60, 364,233.90 and 76,610.60

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Solution

The fourth proportional to 242,822.60, 364,233.90 and 76,610.60 is: 114,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,822.60 : 364,233.90 = 76,610.60 : x
  2. Step 2: Convert to fraction form
    242,822.60/364,233.90 = 76,610.60/x
  3. Step 3: Cross multiply
    242,822.60x = 364,233.90 × 76,610.60
  4. Step 4: Simplify right side
    242,822.60x = 27,904,177,619.34
  5. Step 5: Solve for x
    x = 27,904,177,619.34/242,822.60
  6. Step 6: Final answer
    x = 114,915.90

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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.