Home / 551,023.50-826,535.28-218,599.50

Finding the Fourth Proportional to 551,023.50, 826,535.28 and 218,599.50

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Solution

The fourth proportional to 551,023.50, 826,535.28 and 218,599.50 is: 327,899.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,023.50 : 826,535.28 = 218,599.50 : x
  2. Step 2: Convert to fraction form
    551,023.50/826,535.28 = 218,599.50/x
  3. Step 3: Cross multiply
    551,023.50x = 826,535.28 × 218,599.50
  4. Step 4: Simplify right side
    551,023.50x = 180,680,198,940.36
  5. Step 5: Solve for x
    x = 180,680,198,940.36/551,023.50
  6. Step 6: Final answer
    x = 327,899.26

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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.