Home / 439,530.41-659,395.06-140,028.05

Finding the Fourth Proportional to 439,530.41, 659,395.06 and 140,028.05

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Solution

The fourth proportional to 439,530.41, 659,395.06 and 140,028.05 is: 210,073.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,530.41 : 659,395.06 = 140,028.05 : x
  2. Step 2: Convert to fraction form
    439,530.41/659,395.06 = 140,028.05/x
  3. Step 3: Cross multiply
    439,530.41x = 659,395.06 × 140,028.05
  4. Step 4: Simplify right side
    439,530.41x = 92,333,805,729.85
  5. Step 5: Solve for x
    x = 92,333,805,729.85/439,530.41
  6. Step 6: Final answer
    x = 210,073.76

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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.