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Finding the Fourth Proportional to 275,458.20, 413,187.30 and 252,713.40

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Solution

The fourth proportional to 275,458.20, 413,187.30 and 252,713.40 is: 379,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,458.20 : 413,187.30 = 252,713.40 : x
  2. Step 2: Convert to fraction form
    275,458.20/413,187.30 = 252,713.40/x
  3. Step 3: Cross multiply
    275,458.20x = 413,187.30 × 252,713.40
  4. Step 4: Simplify right side
    275,458.20x = 104,417,967,419.82
  5. Step 5: Solve for x
    x = 104,417,967,419.82/275,458.20
  6. Step 6: Final answer
    x = 379,070.10

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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.