Home / 205,954.28-284,070.34-189,013.20

Finding the Fourth Proportional to 205,954.28, 284,070.34 and 189,013.20

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Solution

The fourth proportional to 205,954.28, 284,070.34 and 189,013.20 is: 260,703.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,954.28 : 284,070.34 = 189,013.20 : x
  2. Step 2: Convert to fraction form
    205,954.28/284,070.34 = 189,013.20/x
  3. Step 3: Cross multiply
    205,954.28x = 284,070.34 × 189,013.20
  4. Step 4: Simplify right side
    205,954.28x = 53,693,043,988.49
  5. Step 5: Solve for x
    x = 53,693,043,988.49/205,954.28
  6. Step 6: Final answer
    x = 260,703.71

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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.