Home / 272,328.20-408,825.10-154,081.80

Finding the Fourth Proportional to 272,328.20, 408,825.10 and 154,081.80

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Solution

The fourth proportional to 272,328.20, 408,825.10 and 154,081.80 is: 231,311.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,328.20 : 408,825.10 = 154,081.80 : x
  2. Step 2: Convert to fraction form
    272,328.20/408,825.10 = 154,081.80/x
  3. Step 3: Cross multiply
    272,328.20x = 408,825.10 × 154,081.80
  4. Step 4: Simplify right side
    272,328.20x = 62,992,507,293.18
  5. Step 5: Solve for x
    x = 62,992,507,293.18/272,328.20
  6. Step 6: Final answer
    x = 231,311.00

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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.