Home / 439,280.58-659,003.36-199,411.32

Finding the Fourth Proportional to 439,280.58, 659,003.36 and 199,411.32

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Solution

The fourth proportional to 439,280.58, 659,003.36 and 199,411.32 is: 299,154.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,280.58 : 659,003.36 = 199,411.32 : x
  2. Step 2: Convert to fraction form
    439,280.58/659,003.36 = 199,411.32/x
  3. Step 3: Cross multiply
    439,280.58x = 659,003.36 × 199,411.32
  4. Step 4: Simplify right side
    439,280.58x = 131,412,729,902.04
  5. Step 5: Solve for x
    x = 131,412,729,902.04/439,280.58
  6. Step 6: Final answer
    x = 299,154.43

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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.