Home / 242,541.20-363,811.80-149,099.60

Finding the Fourth Proportional to 242,541.20, 363,811.80 and 149,099.60

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Solution

The fourth proportional to 242,541.20, 363,811.80 and 149,099.60 is: 223,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,541.20 : 363,811.80 = 149,099.60 : x
  2. Step 2: Convert to fraction form
    242,541.20/363,811.80 = 149,099.60/x
  3. Step 3: Cross multiply
    242,541.20x = 363,811.80 × 149,099.60
  4. Step 4: Simplify right side
    242,541.20x = 54,244,193,855.28
  5. Step 5: Solve for x
    x = 54,244,193,855.28/242,541.20
  6. Step 6: Final answer
    x = 223,649.40

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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.