Home / 468,721.92-646,882.56-267,548.16

Finding the Fourth Proportional to 468,721.92, 646,882.56 and 267,548.16

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Solution

The fourth proportional to 468,721.92, 646,882.56 and 267,548.16 is: 369,242.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,721.92 : 646,882.56 = 267,548.16 : x
  2. Step 2: Convert to fraction form
    468,721.92/646,882.56 = 267,548.16/x
  3. Step 3: Cross multiply
    468,721.92x = 646,882.56 × 267,548.16
  4. Step 4: Simplify right side
    468,721.92x = 173,072,238,664.09
  5. Step 5: Solve for x
    x = 173,072,238,664.09/468,721.92
  6. Step 6: Final answer
    x = 369,242.89

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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.