Home / 272,724.28-408,528.70-222,303

Finding the Fourth Proportional to 272,724.28, 408,528.70 and 222,303

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Solution

The fourth proportional to 272,724.28, 408,528.70 and 222,303 is: 332,999.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,724.28 : 408,528.70 = 222,303 : x
  2. Step 2: Convert to fraction form
    272,724.28/408,528.70 = 222,303/x
  3. Step 3: Cross multiply
    272,724.28x = 408,528.70 × 222,303
  4. Step 4: Simplify right side
    272,724.28x = 90,817,155,596.10
  5. Step 5: Solve for x
    x = 90,817,155,596.10/272,724.28
  6. Step 6: Final answer
    x = 332,999.89

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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.