Home / 450,215.10-674,179.61-270,187.20

Finding the Fourth Proportional to 450,215.10, 674,179.61 and 270,187.20

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Solution

The fourth proportional to 450,215.10, 674,179.61 and 270,187.20 is: 404,594.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,215.10 : 674,179.61 = 270,187.20 : x
  2. Step 2: Convert to fraction form
    450,215.10/674,179.61 = 270,187.20/x
  3. Step 3: Cross multiply
    450,215.10x = 674,179.61 × 270,187.20
  4. Step 4: Simplify right side
    450,215.10x = 182,154,699,772.06
  5. Step 5: Solve for x
    x = 182,154,699,772.06/450,215.10
  6. Step 6: Final answer
    x = 404,594.83

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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.