Home / 342,186.95-472,221.03-189,235.41

Finding the Fourth Proportional to 342,186.95, 472,221.03 and 189,235.41

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Solution

The fourth proportional to 342,186.95, 472,221.03 and 189,235.41 is: 261,146.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,186.95 : 472,221.03 = 189,235.41 : x
  2. Step 2: Convert to fraction form
    342,186.95/472,221.03 = 189,235.41/x
  3. Step 3: Cross multiply
    342,186.95x = 472,221.03 × 189,235.41
  4. Step 4: Simplify right side
    342,186.95x = 89,360,940,222.67
  5. Step 5: Solve for x
    x = 89,360,940,222.67/342,186.95
  6. Step 6: Final answer
    x = 261,146.55

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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.