Home / 258,919.54-388,378.53-116,598.18

Finding the Fourth Proportional to 258,919.54, 388,378.53 and 116,598.18

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Solution

The fourth proportional to 258,919.54, 388,378.53 and 116,598.18 is: 174,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,919.54 : 388,378.53 = 116,598.18 : x
  2. Step 2: Convert to fraction form
    258,919.54/388,378.53 = 116,598.18/x
  3. Step 3: Cross multiply
    258,919.54x = 388,378.53 × 116,598.18
  4. Step 4: Simplify right side
    258,919.54x = 45,284,231,205.49
  5. Step 5: Solve for x
    x = 45,284,231,205.49/258,919.54
  6. Step 6: Final answer
    x = 174,896.93

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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.