Home / 284,564.70-392,721.69-162,062.29

Finding the Fourth Proportional to 284,564.70, 392,721.69 and 162,062.29

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Solution

The fourth proportional to 284,564.70, 392,721.69 and 162,062.29 is: 223,658.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,564.70 : 392,721.69 = 162,062.29 : x
  2. Step 2: Convert to fraction form
    284,564.70/392,721.69 = 162,062.29/x
  3. Step 3: Cross multiply
    284,564.70x = 392,721.69 × 162,062.29
  4. Step 4: Simplify right side
    284,564.70x = 63,645,374,824.53
  5. Step 5: Solve for x
    x = 63,645,374,824.53/284,564.70
  6. Step 6: Final answer
    x = 223,658.71

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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.