Home / 242,564.20-363,500.70-178,887.40

Finding the Fourth Proportional to 242,564.20, 363,500.70 and 178,887.40

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Solution

The fourth proportional to 242,564.20, 363,500.70 and 178,887.40 is: 268,076.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,564.20 : 363,500.70 = 178,887.40 : x
  2. Step 2: Convert to fraction form
    242,564.20/363,500.70 = 178,887.40/x
  3. Step 3: Cross multiply
    242,564.20x = 363,500.70 × 178,887.40
  4. Step 4: Simplify right side
    242,564.20x = 65,025,695,121.18
  5. Step 5: Solve for x
    x = 65,025,695,121.18/242,564.20
  6. Step 6: Final answer
    x = 268,076.23

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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.