Home / 242,723.40-363,912.30-92,905.80

Finding the Fourth Proportional to 242,723.40, 363,912.30 and 92,905.80

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Solution

The fourth proportional to 242,723.40, 363,912.30 and 92,905.80 is: 139,292.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,723.40 : 363,912.30 = 92,905.80 : x
  2. Step 2: Convert to fraction form
    242,723.40/363,912.30 = 92,905.80/x
  3. Step 3: Cross multiply
    242,723.40x = 363,912.30 × 92,905.80
  4. Step 4: Simplify right side
    242,723.40x = 33,809,563,361.34
  5. Step 5: Solve for x
    x = 33,809,563,361.34/242,723.40
  6. Step 6: Final answer
    x = 139,292.56

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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.