Home / 272,035.52-408,187.20-122,381.60

Finding the Fourth Proportional to 272,035.52, 408,187.20 and 122,381.60

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Solution

The fourth proportional to 272,035.52, 408,187.20 and 122,381.60 is: 183,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,035.52 : 408,187.20 = 122,381.60 : x
  2. Step 2: Convert to fraction form
    272,035.52/408,187.20 = 122,381.60/x
  3. Step 3: Cross multiply
    272,035.52x = 408,187.20 × 122,381.60
  4. Step 4: Simplify right side
    272,035.52x = 49,954,602,635.52
  5. Step 5: Solve for x
    x = 49,954,602,635.52/272,035.52
  6. Step 6: Final answer
    x = 183,632.65

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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.