Home / 427,920.67-590,537.78-234,325.27

Finding the Fourth Proportional to 427,920.67, 590,537.78 and 234,325.27

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Solution

The fourth proportional to 427,920.67, 590,537.78 and 234,325.27 is: 323,372.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,920.67 : 590,537.78 = 234,325.27 : x
  2. Step 2: Convert to fraction form
    427,920.67/590,537.78 = 234,325.27/x
  3. Step 3: Cross multiply
    427,920.67x = 590,537.78 × 234,325.27
  4. Step 4: Simplify right side
    427,920.67x = 138,377,924,743.70
  5. Step 5: Solve for x
    x = 138,377,924,743.70/427,920.67
  6. Step 6: Final answer
    x = 323,372.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.