Home / 551,235.87-826,531.92-213,882.51

Finding the Fourth Proportional to 551,235.87, 826,531.92 and 213,882.51

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Solution

The fourth proportional to 551,235.87, 826,531.92 and 213,882.51 is: 320,698.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,235.87 : 826,531.92 = 213,882.51 : x
  2. Step 2: Convert to fraction form
    551,235.87/826,531.92 = 213,882.51/x
  3. Step 3: Cross multiply
    551,235.87x = 826,531.92 × 213,882.51
  4. Step 4: Simplify right side
    551,235.87x = 176,780,721,644.72
  5. Step 5: Solve for x
    x = 176,780,721,644.72/551,235.87
  6. Step 6: Final answer
    x = 320,698.87

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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.