Home / 284,132.45-392,090.41-155,067.59

Finding the Fourth Proportional to 284,132.45, 392,090.41 and 155,067.59

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Solution

The fourth proportional to 284,132.45, 392,090.41 and 155,067.59 is: 213,986.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,132.45 : 392,090.41 = 155,067.59 : x
  2. Step 2: Convert to fraction form
    284,132.45/392,090.41 = 155,067.59/x
  3. Step 3: Cross multiply
    284,132.45x = 392,090.41 × 155,067.59
  4. Step 4: Simplify right side
    284,132.45x = 60,800,514,940.81
  5. Step 5: Solve for x
    x = 60,800,514,940.81/284,132.45
  6. Step 6: Final answer
    x = 213,986.52

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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.