Home / 439,697.10-659,445.96-223,336.50

Finding the Fourth Proportional to 439,697.10, 659,445.96 and 223,336.50

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Solution

The fourth proportional to 439,697.10, 659,445.96 and 223,336.50 is: 334,954.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,697.10 : 659,445.96 = 223,336.50 : x
  2. Step 2: Convert to fraction form
    439,697.10/659,445.96 = 223,336.50/x
  3. Step 3: Cross multiply
    439,697.10x = 659,445.96 × 223,336.50
  4. Step 4: Simplify right side
    439,697.10x = 147,278,352,645.54
  5. Step 5: Solve for x
    x = 147,278,352,645.54/439,697.10
  6. Step 6: Final answer
    x = 334,954.11

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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.