Home / 312,288.56-468,336.03-112,583.12

Finding the Fourth Proportional to 312,288.56, 468,336.03 and 112,583.12

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Solution

The fourth proportional to 312,288.56, 468,336.03 and 112,583.12 is: 168,839.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,288.56 : 468,336.03 = 112,583.12 : x
  2. Step 2: Convert to fraction form
    312,288.56/468,336.03 = 112,583.12/x
  3. Step 3: Cross multiply
    312,288.56x = 468,336.03 × 112,583.12
  4. Step 4: Simplify right side
    312,288.56x = 52,726,728,701.95
  5. Step 5: Solve for x
    x = 52,726,728,701.95/312,288.56
  6. Step 6: Final answer
    x = 168,839.77

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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.