Home / 284,037.59-426,080.07-81,634.38

Finding the Fourth Proportional to 284,037.59, 426,080.07 and 81,634.38

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Solution

The fourth proportional to 284,037.59, 426,080.07 and 81,634.38 is: 122,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,037.59 : 426,080.07 = 81,634.38 : x
  2. Step 2: Convert to fraction form
    284,037.59/426,080.07 = 81,634.38/x
  3. Step 3: Cross multiply
    284,037.59x = 426,080.07 × 81,634.38
  4. Step 4: Simplify right side
    284,037.59x = 34,782,782,344.81
  5. Step 5: Solve for x
    x = 34,782,782,344.81/284,037.59
  6. Step 6: Final answer
    x = 122,458.38

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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.