Home / 439,460.03-659,253.20-135,877.85

Finding the Fourth Proportional to 439,460.03, 659,253.20 and 135,877.85

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Solution

The fourth proportional to 439,460.03, 659,253.20 and 135,877.85 is: 203,836.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,460.03 : 659,253.20 = 135,877.85 : x
  2. Step 2: Convert to fraction form
    439,460.03/659,253.20 = 135,877.85/x
  3. Step 3: Cross multiply
    439,460.03x = 659,253.20 × 135,877.85
  4. Step 4: Simplify right side
    439,460.03x = 89,577,909,409.45
  5. Step 5: Solve for x
    x = 89,577,909,409.45/439,460.03
  6. Step 6: Final answer
    x = 203,836.31

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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.