Home / 396,298.13-594,322.40-129,996.77

Finding the Fourth Proportional to 396,298.13, 594,322.40 and 129,996.77

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Solution

The fourth proportional to 396,298.13, 594,322.40 and 129,996.77 is: 194,954.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,298.13 : 594,322.40 = 129,996.77 : x
  2. Step 2: Convert to fraction form
    396,298.13/594,322.40 = 129,996.77/x
  3. Step 3: Cross multiply
    396,298.13x = 594,322.40 × 129,996.77
  4. Step 4: Simplify right side
    396,298.13x = 77,259,989,692.03
  5. Step 5: Solve for x
    x = 77,259,989,692.03/396,298.13
  6. Step 6: Final answer
    x = 194,954.21

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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.