Home / 396,011.80-594,001.38-143,298.28

Finding the Fourth Proportional to 396,011.80, 594,001.38 and 143,298.28

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Solution

The fourth proportional to 396,011.80, 594,001.38 and 143,298.28 is: 214,941.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,011.80 : 594,001.38 = 143,298.28 : x
  2. Step 2: Convert to fraction form
    396,011.80/594,001.38 = 143,298.28/x
  3. Step 3: Cross multiply
    396,011.80x = 594,001.38 × 143,298.28
  4. Step 4: Simplify right side
    396,011.80x = 85,119,376,071.63
  5. Step 5: Solve for x
    x = 85,119,376,071.63/396,011.80
  6. Step 6: Final answer
    x = 214,941.51

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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.