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Finding the Fourth Proportional to 604,863.36, 907,351.56 and 178,399.60

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Solution

The fourth proportional to 604,863.36, 907,351.56 and 178,399.60 is: 267,616.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,863.36 : 907,351.56 = 178,399.60 : x
  2. Step 2: Convert to fraction form
    604,863.36/907,351.56 = 178,399.60/x
  3. Step 3: Cross multiply
    604,863.36x = 907,351.56 × 178,399.60
  4. Step 4: Simplify right side
    604,863.36x = 161,871,155,363.38
  5. Step 5: Solve for x
    x = 161,871,155,363.38/604,863.36
  6. Step 6: Final answer
    x = 267,616.07

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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.