Home / 494,882.25-742,316.89-120,908.49

Finding the Fourth Proportional to 494,882.25, 742,316.89 and 120,908.49

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Solution

The fourth proportional to 494,882.25, 742,316.89 and 120,908.49 is: 181,361.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,882.25 : 742,316.89 = 120,908.49 : x
  2. Step 2: Convert to fraction form
    494,882.25/742,316.89 = 120,908.49/x
  3. Step 3: Cross multiply
    494,882.25x = 742,316.89 × 120,908.49
  4. Step 4: Simplify right side
    494,882.25x = 89,752,414,271.40
  5. Step 5: Solve for x
    x = 89,752,414,271.40/494,882.25
  6. Step 6: Final answer
    x = 181,361.15

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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.