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Finding the Fourth Proportional to 610,013.62, 915,081.27 and 225,865.03

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Solution

The fourth proportional to 610,013.62, 915,081.27 and 225,865.03 is: 338,820.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,013.62 : 915,081.27 = 225,865.03 : x
  2. Step 2: Convert to fraction form
    610,013.62/915,081.27 = 225,865.03/x
  3. Step 3: Cross multiply
    610,013.62x = 915,081.27 × 225,865.03
  4. Step 4: Simplify right side
    610,013.62x = 206,684,858,500.99
  5. Step 5: Solve for x
    x = 206,684,858,500.99/610,013.62
  6. Step 6: Final answer
    x = 338,820.07

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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.