Home / 479,269.85-719,006.84-142,311.47

Finding the Fourth Proportional to 479,269.85, 719,006.84 and 142,311.47

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Solution

The fourth proportional to 479,269.85, 719,006.84 and 142,311.47 is: 213,497.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,269.85 : 719,006.84 = 142,311.47 : x
  2. Step 2: Convert to fraction form
    479,269.85/719,006.84 = 142,311.47/x
  3. Step 3: Cross multiply
    479,269.85x = 719,006.84 × 142,311.47
  4. Step 4: Simplify right side
    479,269.85x = 102,322,919,628.90
  5. Step 5: Solve for x
    x = 102,322,919,628.90/479,269.85
  6. Step 6: Final answer
    x = 213,497.51

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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.