Home / 208,660.03-312,993.29-50,891.47

Finding the Fourth Proportional to 208,660.03, 312,993.29 and 50,891.47

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Solution

The fourth proportional to 208,660.03, 312,993.29 and 50,891.47 is: 76,338.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,660.03 : 312,993.29 = 50,891.47 : x
  2. Step 2: Convert to fraction form
    208,660.03/312,993.29 = 50,891.47/x
  3. Step 3: Cross multiply
    208,660.03x = 312,993.29 × 50,891.47
  4. Step 4: Simplify right side
    208,660.03x = 15,928,688,628.24
  5. Step 5: Solve for x
    x = 15,928,688,628.24/208,660.03
  6. Step 6: Final answer
    x = 76,338.00

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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.