Home / 272,331.20-408,829.60-154,084.80

Finding the Fourth Proportional to 272,331.20, 408,829.60 and 154,084.80

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Solution

The fourth proportional to 272,331.20, 408,829.60 and 154,084.80 is: 231,315.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,331.20 : 408,829.60 = 154,084.80 : x
  2. Step 2: Convert to fraction form
    272,331.20/408,829.60 = 154,084.80/x
  3. Step 3: Cross multiply
    272,331.20x = 408,829.60 × 154,084.80
  4. Step 4: Simplify right side
    272,331.20x = 62,994,427,150.08
  5. Step 5: Solve for x
    x = 62,994,427,150.08/272,331.20
  6. Step 6: Final answer
    x = 231,315.50

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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.