Home / 342,631.05-472,823.90-189,669.33

Finding the Fourth Proportional to 342,631.05, 472,823.90 and 189,669.33

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Solution

The fourth proportional to 342,631.05, 472,823.90 and 189,669.33 is: 261,739.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,631.05 : 472,823.90 = 189,669.33 : x
  2. Step 2: Convert to fraction form
    342,631.05/472,823.90 = 189,669.33/x
  3. Step 3: Cross multiply
    342,631.05x = 472,823.90 × 189,669.33
  4. Step 4: Simplify right side
    342,631.05x = 89,680,192,083.90
  5. Step 5: Solve for x
    x = 89,680,192,083.90/342,631.05
  6. Step 6: Final answer
    x = 261,739.83

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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.