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Finding the Fourth Proportional to 341,367.80, 511,176.90 and 252,138.20

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Solution

The fourth proportional to 341,367.80, 511,176.90 and 252,138.20 is: 377,561.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,367.80 : 511,176.90 = 252,138.20 : x
  2. Step 2: Convert to fraction form
    341,367.80/511,176.90 = 252,138.20/x
  3. Step 3: Cross multiply
    341,367.80x = 511,176.90 × 252,138.20
  4. Step 4: Simplify right side
    341,367.80x = 128,887,223,447.58
  5. Step 5: Solve for x
    x = 128,887,223,447.58/341,367.80
  6. Step 6: Final answer
    x = 377,561.16

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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.