Home / 485,031.41-669,363.98-270,171.56

Finding the Fourth Proportional to 485,031.41, 669,363.98 and 270,171.56

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Solution

The fourth proportional to 485,031.41, 669,363.98 and 270,171.56 is: 372,848.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,031.41 : 669,363.98 = 270,171.56 : x
  2. Step 2: Convert to fraction form
    485,031.41/669,363.98 = 270,171.56/x
  3. Step 3: Cross multiply
    485,031.41x = 669,363.98 × 270,171.56
  4. Step 4: Simplify right side
    485,031.41x = 180,843,105,986.73
  5. Step 5: Solve for x
    x = 180,843,105,986.73/485,031.41
  6. Step 6: Final answer
    x = 372,848.24

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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.