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Finding the Fourth Proportional to 610,273.56, 915,285.09 and 231,063.78

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Solution

The fourth proportional to 610,273.56, 915,285.09 and 231,063.78 is: 346,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,273.56 : 915,285.09 = 231,063.78 : x
  2. Step 2: Convert to fraction form
    610,273.56/915,285.09 = 231,063.78/x
  3. Step 3: Cross multiply
    610,273.56x = 915,285.09 × 231,063.78
  4. Step 4: Simplify right side
    610,273.56x = 211,489,232,673.04
  5. Step 5: Solve for x
    x = 211,489,232,673.04/610,273.56
  6. Step 6: Final answer
    x = 346,548.25

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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.