Home / 479,269.01-719,052.68-142,311.42

Finding the Fourth Proportional to 479,269.01, 719,052.68 and 142,311.42

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Solution

The fourth proportional to 479,269.01, 719,052.68 and 142,311.42 is: 213,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,269.01 : 719,052.68 = 142,311.42 : x
  2. Step 2: Convert to fraction form
    479,269.01/719,052.68 = 142,311.42/x
  3. Step 3: Cross multiply
    479,269.01x = 719,052.68 × 142,311.42
  4. Step 4: Simplify right side
    479,269.01x = 102,329,408,301.38
  5. Step 5: Solve for x
    x = 102,329,408,301.38/479,269.01
  6. Step 6: Final answer
    x = 213,511.42

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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.