Home / 275,226.24-379,816.56-154,394.40

Finding the Fourth Proportional to 275,226.24, 379,816.56 and 154,394.40

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Solution

The fourth proportional to 275,226.24, 379,816.56 and 154,394.40 is: 213,066.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,226.24 : 379,816.56 = 154,394.40 : x
  2. Step 2: Convert to fraction form
    275,226.24/379,816.56 = 154,394.40/x
  3. Step 3: Cross multiply
    275,226.24x = 379,816.56 × 154,394.40
  4. Step 4: Simplify right side
    275,226.24x = 58,641,549,891.26
  5. Step 5: Solve for x
    x = 58,641,549,891.26/275,226.24
  6. Step 6: Final answer
    x = 213,066.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.