Home / 358,972.12-495,383.48-205,998.13

Finding the Fourth Proportional to 358,972.12, 495,383.48 and 205,998.13

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Solution

The fourth proportional to 358,972.12, 495,383.48 and 205,998.13 is: 284,278.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,972.12 : 495,383.48 = 205,998.13 : x
  2. Step 2: Convert to fraction form
    358,972.12/495,383.48 = 205,998.13/x
  3. Step 3: Cross multiply
    358,972.12x = 495,383.48 × 205,998.13
  4. Step 4: Simplify right side
    358,972.12x = 102,048,070,512.89
  5. Step 5: Solve for x
    x = 102,048,070,512.89/358,972.12
  6. Step 6: Final answer
    x = 284,278.54

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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.