Home / 342,974.38-473,186.19-215,659.66

Finding the Fourth Proportional to 342,974.38, 473,186.19 and 215,659.66

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Solution

The fourth proportional to 342,974.38, 473,186.19 and 215,659.66 is: 297,535.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,974.38 : 473,186.19 = 215,659.66 : x
  2. Step 2: Convert to fraction form
    342,974.38/473,186.19 = 215,659.66/x
  3. Step 3: Cross multiply
    342,974.38x = 473,186.19 × 215,659.66
  4. Step 4: Simplify right side
    342,974.38x = 102,047,172,852.10
  5. Step 5: Solve for x
    x = 102,047,172,852.10/342,974.38
  6. Step 6: Final answer
    x = 297,535.85

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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.