Home / 479,855.43-719,709.32-160,012.85

Finding the Fourth Proportional to 479,855.43, 719,709.32 and 160,012.85

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Solution

The fourth proportional to 479,855.43, 719,709.32 and 160,012.85 is: 239,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,855.43 : 719,709.32 = 160,012.85 : x
  2. Step 2: Convert to fraction form
    479,855.43/719,709.32 = 160,012.85/x
  3. Step 3: Cross multiply
    479,855.43x = 719,709.32 × 160,012.85
  4. Step 4: Simplify right side
    479,855.43x = 115,162,735,066.15
  5. Step 5: Solve for x
    x = 115,162,735,066.15/479,855.43
  6. Step 6: Final answer
    x = 239,994.65

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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.