Home / 342,936.98-473,247.90-189,974.69

Finding the Fourth Proportional to 342,936.98, 473,247.90 and 189,974.69

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Solution

The fourth proportional to 342,936.98, 473,247.90 and 189,974.69 is: 262,162.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,936.98 : 473,247.90 = 189,974.69 : x
  2. Step 2: Convert to fraction form
    342,936.98/473,247.90 = 189,974.69/x
  3. Step 3: Cross multiply
    342,936.98x = 473,247.90 × 189,974.69
  4. Step 4: Simplify right side
    342,936.98x = 89,905,120,729.41
  5. Step 5: Solve for x
    x = 89,905,120,729.41/342,936.98
  6. Step 6: Final answer
    x = 262,162.23

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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.