Home / 672,031.32-1,007,887.72-192,244.32

Finding the Fourth Proportional to 672,031.32, 1,007,887.72 and 192,244.32

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Solution

The fourth proportional to 672,031.32, 1,007,887.72 and 192,244.32 is: 288,320.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,031.32 : 1,007,887.72 = 192,244.32 : x
  2. Step 2: Convert to fraction form
    672,031.32/1,007,887.72 = 192,244.32/x
  3. Step 3: Cross multiply
    672,031.32x = 1,007,887.72 × 192,244.32
  4. Step 4: Simplify right side
    672,031.32x = 193,760,689,367.75
  5. Step 5: Solve for x
    x = 193,760,689,367.75/672,031.32
  6. Step 6: Final answer
    x = 288,320.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.