Home / 284,078.03-426,175.36-84,380.63

Finding the Fourth Proportional to 284,078.03, 426,175.36 and 84,380.63

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Solution

The fourth proportional to 284,078.03, 426,175.36 and 84,380.63 is: 126,588.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,078.03 : 426,175.36 = 84,380.63 : x
  2. Step 2: Convert to fraction form
    284,078.03/426,175.36 = 84,380.63/x
  3. Step 3: Cross multiply
    284,078.03x = 426,175.36 × 84,380.63
  4. Step 4: Simplify right side
    284,078.03x = 35,960,944,090.89
  5. Step 5: Solve for x
    x = 35,960,944,090.89/284,078.03
  6. Step 6: Final answer
    x = 126,588.26

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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.