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Finding the Fourth Proportional to 610,618.05, 915,576.64 and 231,296.85

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Solution

The fourth proportional to 610,618.05, 915,576.64 and 231,296.85 is: 346,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,618.05 : 915,576.64 = 231,296.85 : x
  2. Step 2: Convert to fraction form
    610,618.05/915,576.64 = 231,296.85/x
  3. Step 3: Cross multiply
    610,618.05x = 915,576.64 × 231,296.85
  4. Step 4: Simplify right side
    610,618.05x = 211,769,992,765.58
  5. Step 5: Solve for x
    x = 211,769,992,765.58/610,618.05
  6. Step 6: Final answer
    x = 346,812.53

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1.5x scale

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.