Home / 284,185.44-392,175.94-156,861.07

Finding the Fourth Proportional to 284,185.44, 392,175.94 and 156,861.07

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Solution

The fourth proportional to 284,185.44, 392,175.94 and 156,861.07 is: 216,468.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,185.44 : 392,175.94 = 156,861.07 : x
  2. Step 2: Convert to fraction form
    284,185.44/392,175.94 = 156,861.07/x
  3. Step 3: Cross multiply
    284,185.44x = 392,175.94 × 156,861.07
  4. Step 4: Simplify right side
    284,185.44x = 61,517,137,576.66
  5. Step 5: Solve for x
    x = 61,517,137,576.66/284,185.44
  6. Step 6: Final answer
    x = 216,468.29

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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.