Home / 242,566.20-363,503.70-178,889.40

Finding the Fourth Proportional to 242,566.20, 363,503.70 and 178,889.40

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Solution

The fourth proportional to 242,566.20, 363,503.70 and 178,889.40 is: 268,079.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,566.20 : 363,503.70 = 178,889.40 : x
  2. Step 2: Convert to fraction form
    242,566.20/363,503.70 = 178,889.40/x
  3. Step 3: Cross multiply
    242,566.20x = 363,503.70 × 178,889.40
  4. Step 4: Simplify right side
    242,566.20x = 65,026,958,790.78
  5. Step 5: Solve for x
    x = 65,026,958,790.78/242,566.20
  6. Step 6: Final answer
    x = 268,079.22

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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.