Home / 551,159.20-826,739.40-218,735.20

Finding the Fourth Proportional to 551,159.20, 826,739.40 and 218,735.20

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Solution

The fourth proportional to 551,159.20, 826,739.40 and 218,735.20 is: 328,103.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,159.20 : 826,739.40 = 218,735.20 : x
  2. Step 2: Convert to fraction form
    551,159.20/826,739.40 = 218,735.20/x
  3. Step 3: Cross multiply
    551,159.20x = 826,739.40 × 218,735.20
  4. Step 4: Simplify right side
    551,159.20x = 180,837,008,006.88
  5. Step 5: Solve for x
    x = 180,837,008,006.88/551,159.20
  6. Step 6: Final answer
    x = 328,103.04

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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.