Home / 284,175.68-392,165.69-156,851.37

Finding the Fourth Proportional to 284,175.68, 392,165.69 and 156,851.37

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Solution

The fourth proportional to 284,175.68, 392,165.69 and 156,851.37 is: 216,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,175.68 : 392,165.69 = 156,851.37 : x
  2. Step 2: Convert to fraction form
    284,175.68/392,165.69 = 156,851.37/x
  3. Step 3: Cross multiply
    284,175.68x = 392,165.69 × 156,851.37
  4. Step 4: Simplify right side
    284,175.68x = 61,511,724,959.24
  5. Step 5: Solve for x
    x = 61,511,724,959.24/284,175.68
  6. Step 6: Final answer
    x = 216,456.69

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1.5x scale

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.