Home / 281,140.11-388,035.63-194,047.52

Finding the Fourth Proportional to 281,140.11, 388,035.63 and 194,047.52

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Solution

The fourth proportional to 281,140.11, 388,035.63 and 194,047.52 is: 267,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,140.11 : 388,035.63 = 194,047.52 : x
  2. Step 2: Convert to fraction form
    281,140.11/388,035.63 = 194,047.52/x
  3. Step 3: Cross multiply
    281,140.11x = 388,035.63 × 194,047.52
  4. Step 4: Simplify right side
    281,140.11x = 75,297,349,732.96
  5. Step 5: Solve for x
    x = 75,297,349,732.96/281,140.11
  6. Step 6: Final answer
    x = 267,828.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.