Home / 342,217.19-472,262.85-189,247.47

Finding the Fourth Proportional to 342,217.19, 472,262.85 and 189,247.47

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Solution

The fourth proportional to 342,217.19, 472,262.85 and 189,247.47 is: 261,163.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,217.19 : 472,262.85 = 189,247.47 : x
  2. Step 2: Convert to fraction form
    342,217.19/472,262.85 = 189,247.47/x
  3. Step 3: Cross multiply
    342,217.19x = 472,262.85 × 189,247.47
  4. Step 4: Simplify right side
    342,217.19x = 89,374,549,537.49
  5. Step 5: Solve for x
    x = 89,374,549,537.49/342,217.19
  6. Step 6: Final answer
    x = 261,163.24

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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.