Home / 439,989.25-659,995.27-140,469.58

Finding the Fourth Proportional to 439,989.25, 659,995.27 and 140,469.58

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Solution

The fourth proportional to 439,989.25, 659,995.27 and 140,469.58 is: 210,708.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,989.25 : 659,995.27 = 140,469.58 : x
  2. Step 2: Convert to fraction form
    439,989.25/659,995.27 = 140,469.58/x
  3. Step 3: Cross multiply
    439,989.25x = 659,995.27 × 140,469.58
  4. Step 4: Simplify right side
    439,989.25x = 92,709,258,378.89
  5. Step 5: Solve for x
    x = 92,709,258,378.89/439,989.25
  6. Step 6: Final answer
    x = 210,708.01

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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.