Home / 551,161.20-826,742.40-218,737.20

Finding the Fourth Proportional to 551,161.20, 826,742.40 and 218,737.20

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Solution

The fourth proportional to 551,161.20, 826,742.40 and 218,737.20 is: 328,106.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,161.20 : 826,742.40 = 218,737.20 : x
  2. Step 2: Convert to fraction form
    551,161.20/826,742.40 = 218,737.20/x
  3. Step 3: Cross multiply
    551,161.20x = 826,742.40 × 218,737.20
  4. Step 4: Simplify right side
    551,161.20x = 180,839,317,697.28
  5. Step 5: Solve for x
    x = 180,839,317,697.28/551,161.20
  6. Step 6: Final answer
    x = 328,106.04

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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.