Home / 551,176.95-826,443.68-213,823.43

Finding the Fourth Proportional to 551,176.95, 826,443.68 and 213,823.43

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Solution

The fourth proportional to 551,176.95, 826,443.68 and 213,823.43 is: 320,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,176.95 : 826,443.68 = 213,823.43 : x
  2. Step 2: Convert to fraction form
    551,176.95/826,443.68 = 213,823.43/x
  3. Step 3: Cross multiply
    551,176.95x = 826,443.68 × 213,823.43
  4. Step 4: Simplify right side
    551,176.95x = 176,713,020,257.25
  5. Step 5: Solve for x
    x = 176,713,020,257.25/551,176.95
  6. Step 6: Final answer
    x = 320,610.32

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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.