Home / 470,938.88-649,954.56-269,735.04

Finding the Fourth Proportional to 470,938.88, 649,954.56 and 269,735.04

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Solution

The fourth proportional to 470,938.88, 649,954.56 and 269,735.04 is: 372,268.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,938.88 : 649,954.56 = 269,735.04 : x
  2. Step 2: Convert to fraction form
    470,938.88/649,954.56 = 269,735.04/x
  3. Step 3: Cross multiply
    470,938.88x = 649,954.56 × 269,735.04
  4. Step 4: Simplify right side
    470,938.88x = 175,315,519,239.78
  5. Step 5: Solve for x
    x = 175,315,519,239.78/470,938.88
  6. Step 6: Final answer
    x = 372,268.09

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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.