Home / 332,207.20-496,998.60-288,321.40

Finding the Fourth Proportional to 332,207.20, 496,998.60 and 288,321.40

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Solution

The fourth proportional to 332,207.20, 496,998.60 and 288,321.40 is: 431,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,207.20 : 496,998.60 = 288,321.40 : x
  2. Step 2: Convert to fraction form
    332,207.20/496,998.60 = 288,321.40/x
  3. Step 3: Cross multiply
    332,207.20x = 496,998.60 × 288,321.40
  4. Step 4: Simplify right side
    332,207.20x = 143,295,332,150.04
  5. Step 5: Solve for x
    x = 143,295,332,150.04/332,207.20
  6. Step 6: Final answer
    x = 431,343.25

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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.