Home / 485,198.40-669,623.04-270,373.44

Finding the Fourth Proportional to 485,198.40, 669,623.04 and 270,373.44

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Solution

The fourth proportional to 485,198.40, 669,623.04 and 270,373.44 is: 373,142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,198.40 : 669,623.04 = 270,373.44 : x
  2. Step 2: Convert to fraction form
    485,198.40/669,623.04 = 270,373.44/x
  3. Step 3: Cross multiply
    485,198.40x = 669,623.04 × 270,373.44
  4. Step 4: Simplify right side
    485,198.40x = 181,048,284,828.06
  5. Step 5: Solve for x
    x = 181,048,284,828.06/485,198.40
  6. Step 6: Final answer
    x = 373,142.79

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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.