Home / 491,945.56-737,844.90-136,922.56

Finding the Fourth Proportional to 491,945.56, 737,844.90 and 136,922.56

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Solution

The fourth proportional to 491,945.56, 737,844.90 and 136,922.56 is: 205,363.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,945.56 : 737,844.90 = 136,922.56 : x
  2. Step 2: Convert to fraction form
    491,945.56/737,844.90 = 136,922.56/x
  3. Step 3: Cross multiply
    491,945.56x = 737,844.90 × 136,922.56
  4. Step 4: Simplify right side
    491,945.56x = 101,027,612,590.94
  5. Step 5: Solve for x
    x = 101,027,612,590.94/491,945.56
  6. Step 6: Final answer
    x = 205,363.40

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1.5x scale

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.