Home / 551,017.49-826,845.11-231,140.71

Finding the Fourth Proportional to 551,017.49, 826,845.11 and 231,140.71

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Solution

The fourth proportional to 551,017.49, 826,845.11 and 231,140.71 is: 346,844.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,017.49 : 826,845.11 = 231,140.71 : x
  2. Step 2: Convert to fraction form
    551,017.49/826,845.11 = 231,140.71/x
  3. Step 3: Cross multiply
    551,017.49x = 826,845.11 × 231,140.71
  4. Step 4: Simplify right side
    551,017.49x = 191,117,560,495.50
  5. Step 5: Solve for x
    x = 191,117,560,495.50/551,017.49
  6. Step 6: Final answer
    x = 346,844.82

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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.