Home / 272,756.46-408,944.54-120,870.83

Finding the Fourth Proportional to 272,756.46, 408,944.54 and 120,870.83

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Solution

The fourth proportional to 272,756.46, 408,944.54 and 120,870.83 is: 181,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,756.46 : 408,944.54 = 120,870.83 : x
  2. Step 2: Convert to fraction form
    272,756.46/408,944.54 = 120,870.83/x
  3. Step 3: Cross multiply
    272,756.46x = 408,944.54 × 120,870.83
  4. Step 4: Simplify right side
    272,756.46x = 49,429,463,929.05
  5. Step 5: Solve for x
    x = 49,429,463,929.05/272,756.46
  6. Step 6: Final answer
    x = 181,221.97

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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.