Home / 227,877.60-341,816.40-139,231.20

Finding the Fourth Proportional to 227,877.60, 341,816.40 and 139,231.20

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Solution

The fourth proportional to 227,877.60, 341,816.40 and 139,231.20 is: 208,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,877.60 : 341,816.40 = 139,231.20 : x
  2. Step 2: Convert to fraction form
    227,877.60/341,816.40 = 139,231.20/x
  3. Step 3: Cross multiply
    227,877.60x = 341,816.40 × 139,231.20
  4. Step 4: Simplify right side
    227,877.60x = 47,591,507,551.68
  5. Step 5: Solve for x
    x = 47,591,507,551.68/227,877.60
  6. Step 6: Final answer
    x = 208,846.80

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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.