Home / 482,412.26-665,769.78-267,621.50

Finding the Fourth Proportional to 482,412.26, 665,769.78 and 267,621.50

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Solution

The fourth proportional to 482,412.26, 665,769.78 and 267,621.50 is: 369,340.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,412.26 : 665,769.78 = 267,621.50 : x
  2. Step 2: Convert to fraction form
    482,412.26/665,769.78 = 267,621.50/x
  3. Step 3: Cross multiply
    482,412.26x = 665,769.78 × 267,621.50
  4. Step 4: Simplify right side
    482,412.26x = 178,174,307,178.27
  5. Step 5: Solve for x
    x = 178,174,307,178.27/482,412.26
  6. Step 6: Final answer
    x = 369,340.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.