Home / 259,222.96-388,601.16-134,184.88

Finding the Fourth Proportional to 259,222.96, 388,601.16 and 134,184.88

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Solution

The fourth proportional to 259,222.96, 388,601.16 and 134,184.88 is: 201,156.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,222.96 : 388,601.16 = 134,184.88 : x
  2. Step 2: Convert to fraction form
    259,222.96/388,601.16 = 134,184.88/x
  3. Step 3: Cross multiply
    259,222.96x = 388,601.16 × 134,184.88
  4. Step 4: Simplify right side
    259,222.96x = 52,144,400,022.46
  5. Step 5: Solve for x
    x = 52,144,400,022.46/259,222.96
  6. Step 6: Final answer
    x = 201,156.56

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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.