Home / 494,844.16-742,270.40-139,850.24

Finding the Fourth Proportional to 494,844.16, 742,270.40 and 139,850.24

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Solution

The fourth proportional to 494,844.16, 742,270.40 and 139,850.24 is: 209,776.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,844.16 : 742,270.40 = 139,850.24 : x
  2. Step 2: Convert to fraction form
    494,844.16/742,270.40 = 139,850.24/x
  3. Step 3: Cross multiply
    494,844.16x = 742,270.40 × 139,850.24
  4. Step 4: Simplify right side
    494,844.16x = 103,806,693,584.90
  5. Step 5: Solve for x
    x = 103,806,693,584.90/494,844.16
  6. Step 6: Final answer
    x = 209,776.54

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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.