Home / 550,989.29-826,162.81-213,635.83

Finding the Fourth Proportional to 550,989.29, 826,162.81 and 213,635.83

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Solution

The fourth proportional to 550,989.29, 826,162.81 and 213,635.83 is: 320,329.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,989.29 : 826,162.81 = 213,635.83 : x
  2. Step 2: Convert to fraction form
    550,989.29/826,162.81 = 213,635.83/x
  3. Step 3: Cross multiply
    550,989.29x = 826,162.81 × 213,635.83
  4. Step 4: Simplify right side
    550,989.29x = 176,497,977,629.48
  5. Step 5: Solve for x
    x = 176,497,977,629.48/550,989.29
  6. Step 6: Final answer
    x = 320,329.23

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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.