Home / 439,638.21-659,112.81-173,597.85

Finding the Fourth Proportional to 439,638.21, 659,112.81 and 173,597.85

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Solution

The fourth proportional to 439,638.21, 659,112.81 and 173,597.85 is: 260,260.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,638.21 : 659,112.81 = 173,597.85 : x
  2. Step 2: Convert to fraction form
    439,638.21/659,112.81 = 173,597.85/x
  3. Step 3: Cross multiply
    439,638.21x = 659,112.81 × 173,597.85
  4. Step 4: Simplify right side
    439,638.21x = 114,420,566,723.46
  5. Step 5: Solve for x
    x = 114,420,566,723.46/439,638.21
  6. Step 6: Final answer
    x = 260,260.74

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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.