Home / 252,420.38-378,700.63-140,179.42

Finding the Fourth Proportional to 252,420.38, 378,700.63 and 140,179.42

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Solution

The fourth proportional to 252,420.38, 378,700.63 and 140,179.42 is: 210,308.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,420.38 : 378,700.63 = 140,179.42 : x
  2. Step 2: Convert to fraction form
    252,420.38/378,700.63 = 140,179.42/x
  3. Step 3: Cross multiply
    252,420.38x = 378,700.63 × 140,179.42
  4. Step 4: Simplify right side
    252,420.38x = 53,086,033,062.36
  5. Step 5: Solve for x
    x = 53,086,033,062.36/252,420.38
  6. Step 6: Final answer
    x = 210,308.03

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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.