Home / 439,579.60-659,081.40-173,179.60

Finding the Fourth Proportional to 439,579.60, 659,081.40 and 173,179.60

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Solution

The fourth proportional to 439,579.60, 659,081.40 and 173,179.60 is: 259,655.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,579.60 : 659,081.40 = 173,179.60 : x
  2. Step 2: Convert to fraction form
    439,579.60/659,081.40 = 173,179.60/x
  3. Step 3: Cross multiply
    439,579.60x = 659,081.40 × 173,179.60
  4. Step 4: Simplify right side
    439,579.60x = 114,139,453,219.44
  5. Step 5: Solve for x
    x = 114,139,453,219.44/439,579.60
  6. Step 6: Final answer
    x = 259,655.94

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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.