Home / 272,730.19-408,814.59-120,998.73

Finding the Fourth Proportional to 272,730.19, 408,814.59 and 120,998.73

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Solution

The fourth proportional to 272,730.19, 408,814.59 and 120,998.73 is: 181,373.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,730.19 : 408,814.59 = 120,998.73 : x
  2. Step 2: Convert to fraction form
    272,730.19/408,814.59 = 120,998.73/x
  3. Step 3: Cross multiply
    272,730.19x = 408,814.59 × 120,998.73
  4. Step 4: Simplify right side
    272,730.19x = 49,466,043,546.40
  5. Step 5: Solve for x
    x = 49,466,043,546.40/272,730.19
  6. Step 6: Final answer
    x = 181,373.55

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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.