Home / 284,120.28-426,106.53-84,386.97

Finding the Fourth Proportional to 284,120.28, 426,106.53 and 84,386.97

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Solution

The fourth proportional to 284,120.28, 426,106.53 and 84,386.97 is: 126,558.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,120.28 : 426,106.53 = 84,386.97 : x
  2. Step 2: Convert to fraction form
    284,120.28/426,106.53 = 84,386.97/x
  3. Step 3: Cross multiply
    284,120.28x = 426,106.53 × 84,386.97
  4. Step 4: Simplify right side
    284,120.28x = 35,957,838,963.91
  5. Step 5: Solve for x
    x = 35,957,838,963.91/284,120.28
  6. Step 6: Final answer
    x = 126,558.51

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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.