Home / 242,583.20-363,874.80-149,141.60

Finding the Fourth Proportional to 242,583.20, 363,874.80 and 149,141.60

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Solution

The fourth proportional to 242,583.20, 363,874.80 and 149,141.60 is: 223,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,583.20 : 363,874.80 = 149,141.60 : x
  2. Step 2: Convert to fraction form
    242,583.20/363,874.80 = 149,141.60/x
  3. Step 3: Cross multiply
    242,583.20x = 363,874.80 × 149,141.60
  4. Step 4: Simplify right side
    242,583.20x = 54,268,869,871.68
  5. Step 5: Solve for x
    x = 54,268,869,871.68/242,583.20
  6. Step 6: Final answer
    x = 223,712.40

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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.