Home / 340,308.72-469,729.32-197,103.92

Finding the Fourth Proportional to 340,308.72, 469,729.32 and 197,103.92

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Solution

The fourth proportional to 340,308.72, 469,729.32 and 197,103.92 is: 272,063.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,308.72 : 469,729.32 = 197,103.92 : x
  2. Step 2: Convert to fraction form
    340,308.72/469,729.32 = 197,103.92/x
  3. Step 3: Cross multiply
    340,308.72x = 469,729.32 × 197,103.92
  4. Step 4: Simplify right side
    340,308.72x = 92,585,490,310.93
  5. Step 5: Solve for x
    x = 92,585,490,310.93/340,308.72
  6. Step 6: Final answer
    x = 272,063.23

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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.