Home / 272,316.20-408,474.30-82,776.20

Finding the Fourth Proportional to 272,316.20, 408,474.30 and 82,776.20

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Solution

The fourth proportional to 272,316.20, 408,474.30 and 82,776.20 is: 124,164.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,316.20 : 408,474.30 = 82,776.20 : x
  2. Step 2: Convert to fraction form
    272,316.20/408,474.30 = 82,776.20/x
  3. Step 3: Cross multiply
    272,316.20x = 408,474.30 × 82,776.20
  4. Step 4: Simplify right side
    272,316.20x = 33,811,950,351.66
  5. Step 5: Solve for x
    x = 33,811,950,351.66/272,316.20
  6. Step 6: Final answer
    x = 124,164.30

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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.