Home / 413,259.20-619,994.40-132,779.20

Finding the Fourth Proportional to 413,259.20, 619,994.40 and 132,779.20

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Solution

The fourth proportional to 413,259.20, 619,994.40 and 132,779.20 is: 199,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    413,259.20 : 619,994.40 = 132,779.20 : x
  2. Step 2: Convert to fraction form
    413,259.20/619,994.40 = 132,779.20/x
  3. Step 3: Cross multiply
    413,259.20x = 619,994.40 × 132,779.20
  4. Step 4: Simplify right side
    413,259.20x = 82,322,360,436.48
  5. Step 5: Solve for x
    x = 82,322,360,436.48/413,259.20
  6. Step 6: Final answer
    x = 199,202.73

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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.