Home / 479,267.11-719,049.84-142,309.52

Finding the Fourth Proportional to 479,267.11, 719,049.84 and 142,309.52

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Solution

The fourth proportional to 479,267.11, 719,049.84 and 142,309.52 is: 213,508.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,267.11 : 719,049.84 = 142,309.52 : x
  2. Step 2: Convert to fraction form
    479,267.11/719,049.84 = 142,309.52/x
  3. Step 3: Cross multiply
    479,267.11x = 719,049.84 × 142,309.52
  4. Step 4: Simplify right side
    479,267.11x = 102,327,637,586.48
  5. Step 5: Solve for x
    x = 102,327,637,586.48/479,267.11
  6. Step 6: Final answer
    x = 213,508.57

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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.