Home / 272,439.45-408,674.55-82,906.01

Finding the Fourth Proportional to 272,439.45, 408,674.55 and 82,906.01

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Solution

The fourth proportional to 272,439.45, 408,674.55 and 82,906.01 is: 124,363.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,439.45 : 408,674.55 = 82,906.01 : x
  2. Step 2: Convert to fraction form
    272,439.45/408,674.55 = 82,906.01/x
  3. Step 3: Cross multiply
    272,439.45x = 408,674.55 × 82,906.01
  4. Step 4: Simplify right side
    272,439.45x = 33,881,574,285.67
  5. Step 5: Solve for x
    x = 33,881,574,285.67/272,439.45
  6. Step 6: Final answer
    x = 124,363.69

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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.