Home / 284,326.20-426,197.70-165,936.60

Finding the Fourth Proportional to 284,326.20, 426,197.70 and 165,936.60

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Solution

The fourth proportional to 284,326.20, 426,197.70 and 165,936.60 is: 248,734.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,326.20 : 426,197.70 = 165,936.60 : x
  2. Step 2: Convert to fraction form
    284,326.20/426,197.70 = 165,936.60/x
  3. Step 3: Cross multiply
    284,326.20x = 426,197.70 × 165,936.60
  4. Step 4: Simplify right side
    284,326.20x = 70,721,797,265.82
  5. Step 5: Solve for x
    x = 70,721,797,265.82/284,326.20
  6. Step 6: Final answer
    x = 248,734.72

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1.5x scale

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.