Home / 654,251.89-981,376.60-205,007.17

Finding the Fourth Proportional to 654,251.89, 981,376.60 and 205,007.17

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Solution

The fourth proportional to 654,251.89, 981,376.60 and 205,007.17 is: 307,510.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,251.89 : 981,376.60 = 205,007.17 : x
  2. Step 2: Convert to fraction form
    654,251.89/981,376.60 = 205,007.17/x
  3. Step 3: Cross multiply
    654,251.89x = 981,376.60 × 205,007.17
  4. Step 4: Simplify right side
    654,251.89x = 201,189,239,470.22
  5. Step 5: Solve for x
    x = 201,189,239,470.22/654,251.89
  6. Step 6: Final answer
    x = 307,510.37

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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.