Home / 284,670.27-392,853.24-155,615.85

Finding the Fourth Proportional to 284,670.27, 392,853.24 and 155,615.85

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Solution

The fourth proportional to 284,670.27, 392,853.24 and 155,615.85 is: 214,754.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,670.27 : 392,853.24 = 155,615.85 : x
  2. Step 2: Convert to fraction form
    284,670.27/392,853.24 = 155,615.85/x
  3. Step 3: Cross multiply
    284,670.27x = 392,853.24 × 155,615.85
  4. Step 4: Simplify right side
    284,670.27x = 61,134,190,867.85
  5. Step 5: Solve for x
    x = 61,134,190,867.85/284,670.27
  6. Step 6: Final answer
    x = 214,754.39

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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.