Home / 434,862.05-652,354.59-135,372.85

Finding the Fourth Proportional to 434,862.05, 652,354.59 and 135,372.85

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Solution

The fourth proportional to 434,862.05, 652,354.59 and 135,372.85 is: 203,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,862.05 : 652,354.59 = 135,372.85 : x
  2. Step 2: Convert to fraction form
    434,862.05/652,354.59 = 135,372.85/x
  3. Step 3: Cross multiply
    434,862.05x = 652,354.59 × 135,372.85
  4. Step 4: Simplify right side
    434,862.05x = 88,311,100,058.88
  5. Step 5: Solve for x
    x = 88,311,100,058.88/434,862.05
  6. Step 6: Final answer
    x = 203,078.42

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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.