Home / 252,230.01-378,346.38-74,738.55

Finding the Fourth Proportional to 252,230.01, 378,346.38 and 74,738.55

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Solution

The fourth proportional to 252,230.01, 378,346.38 and 74,738.55 is: 112,108.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,230.01 : 378,346.38 = 74,738.55 : x
  2. Step 2: Convert to fraction form
    252,230.01/378,346.38 = 74,738.55/x
  3. Step 3: Cross multiply
    252,230.01x = 378,346.38 × 74,738.55
  4. Step 4: Simplify right side
    252,230.01x = 28,277,059,465.26
  5. Step 5: Solve for x
    x = 28,277,059,465.26/252,230.01
  6. Step 6: Final answer
    x = 112,108.23

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1.5x scale

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.