Home / 439,426.80-659,140.20-107,002.80

Finding the Fourth Proportional to 439,426.80, 659,140.20 and 107,002.80

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Solution

The fourth proportional to 439,426.80, 659,140.20 and 107,002.80 is: 160,504.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,426.80 : 659,140.20 = 107,002.80 : x
  2. Step 2: Convert to fraction form
    439,426.80/659,140.20 = 107,002.80/x
  3. Step 3: Cross multiply
    439,426.80x = 659,140.20 × 107,002.80
  4. Step 4: Simplify right side
    439,426.80x = 70,529,846,992.56
  5. Step 5: Solve for x
    x = 70,529,846,992.56/439,426.80
  6. Step 6: Final answer
    x = 160,504.20

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1.5x scale

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.