Home / 439,264.32-658,767.22-199,239.36

Finding the Fourth Proportional to 439,264.32, 658,767.22 and 199,239.36

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Solution

The fourth proportional to 439,264.32, 658,767.22 and 199,239.36 is: 298,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,264.32 : 658,767.22 = 199,239.36 : x
  2. Step 2: Convert to fraction form
    439,264.32/658,767.22 = 199,239.36/x
  3. Step 3: Cross multiply
    439,264.32x = 658,767.22 × 199,239.36
  4. Step 4: Simplify right side
    439,264.32x = 131,252,355,011.75
  5. Step 5: Solve for x
    x = 131,252,355,011.75/439,264.32
  6. Step 6: Final answer
    x = 298,800.40

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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.