Home / 284,269.74-392,275.36-155,182.48

Finding the Fourth Proportional to 284,269.74, 392,275.36 and 155,182.48

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Solution

The fourth proportional to 284,269.74, 392,275.36 and 155,182.48 is: 214,142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,269.74 : 392,275.36 = 155,182.48 : x
  2. Step 2: Convert to fraction form
    284,269.74/392,275.36 = 155,182.48/x
  3. Step 3: Cross multiply
    284,269.74x = 392,275.36 × 155,182.48
  4. Step 4: Simplify right side
    284,269.74x = 60,874,263,207.69
  5. Step 5: Solve for x
    x = 60,874,263,207.69/284,269.74
  6. Step 6: Final answer
    x = 214,142.61

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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.