Home / 329,831.40-494,747.10-245,850.60

Finding the Fourth Proportional to 329,831.40, 494,747.10 and 245,850.60

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Solution

The fourth proportional to 329,831.40, 494,747.10 and 245,850.60 is: 368,775.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,831.40 : 494,747.10 = 245,850.60 : x
  2. Step 2: Convert to fraction form
    329,831.40/494,747.10 = 245,850.60/x
  3. Step 3: Cross multiply
    329,831.40x = 494,747.10 × 245,850.60
  4. Step 4: Simplify right side
    329,831.40x = 121,633,871,383.26
  5. Step 5: Solve for x
    x = 121,633,871,383.26/329,831.40
  6. Step 6: Final answer
    x = 368,775.90

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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.