Home / 288,125.20-432,077.03-199,108.83

Finding the Fourth Proportional to 288,125.20, 432,077.03 and 199,108.83

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Solution

The fourth proportional to 288,125.20, 432,077.03 and 199,108.83 is: 298,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,125.20 : 432,077.03 = 199,108.83 : x
  2. Step 2: Convert to fraction form
    288,125.20/432,077.03 = 199,108.83/x
  3. Step 3: Cross multiply
    288,125.20x = 432,077.03 × 199,108.83
  4. Step 4: Simplify right side
    288,125.20x = 86,030,354,404.56
  5. Step 5: Solve for x
    x = 86,030,354,404.56/288,125.20
  6. Step 6: Final answer
    x = 298,586.70

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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.