Home / 342,091.23-472,065.56-189,120.26

Finding the Fourth Proportional to 342,091.23, 472,065.56 and 189,120.26

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Solution

The fourth proportional to 342,091.23, 472,065.56 and 189,120.26 is: 260,974.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,091.23 : 472,065.56 = 189,120.26 : x
  2. Step 2: Convert to fraction form
    342,091.23/472,065.56 = 189,120.26/x
  3. Step 3: Cross multiply
    342,091.23x = 472,065.56 × 189,120.26
  4. Step 4: Simplify right side
    342,091.23x = 89,277,161,592.23
  5. Step 5: Solve for x
    x = 89,277,161,592.23/342,091.23
  6. Step 6: Final answer
    x = 260,974.71

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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.