Home / 272,081.33-408,260.24-122,291.45

Finding the Fourth Proportional to 272,081.33, 408,260.24 and 122,291.45

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Solution

The fourth proportional to 272,081.33, 408,260.24 and 122,291.45 is: 183,499.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,081.33 : 408,260.24 = 122,291.45 : x
  2. Step 2: Convert to fraction form
    272,081.33/408,260.24 = 122,291.45/x
  3. Step 3: Cross multiply
    272,081.33x = 408,260.24 × 122,291.45
  4. Step 4: Simplify right side
    272,081.33x = 49,926,736,115.49
  5. Step 5: Solve for x
    x = 49,926,736,115.49/272,081.33
  6. Step 6: Final answer
    x = 183,499.31

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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.