Home / 332,421.20-497,929.80-220,155.20

Finding the Fourth Proportional to 332,421.20, 497,929.80 and 220,155.20

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Solution

The fourth proportional to 332,421.20, 497,929.80 and 220,155.20 is: 329,767.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,421.20 : 497,929.80 = 220,155.20 : x
  2. Step 2: Convert to fraction form
    332,421.20/497,929.80 = 220,155.20/x
  3. Step 3: Cross multiply
    332,421.20x = 497,929.80 × 220,155.20
  4. Step 4: Simplify right side
    332,421.20x = 109,621,834,704.96
  5. Step 5: Solve for x
    x = 109,621,834,704.96/332,421.20
  6. Step 6: Final answer
    x = 329,767.88

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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.