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Finding the Fourth Proportional to 453,359.87, 680,040.28 and 169,046.08

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Solution

The fourth proportional to 453,359.87, 680,040.28 and 169,046.08 is: 253,569.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,359.87 : 680,040.28 = 169,046.08 : x
  2. Step 2: Convert to fraction form
    453,359.87/680,040.28 = 169,046.08/x
  3. Step 3: Cross multiply
    453,359.87x = 680,040.28 × 169,046.08
  4. Step 4: Simplify right side
    453,359.87x = 114,958,143,576.10
  5. Step 5: Solve for x
    x = 114,958,143,576.10/453,359.87
  6. Step 6: Final answer
    x = 253,569.30

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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.