Home / 204,955.40-307,433.10-148,530.80

Finding the Fourth Proportional to 204,955.40, 307,433.10 and 148,530.80

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Solution

The fourth proportional to 204,955.40, 307,433.10 and 148,530.80 is: 222,796.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,955.40 : 307,433.10 = 148,530.80 : x
  2. Step 2: Convert to fraction form
    204,955.40/307,433.10 = 148,530.80/x
  3. Step 3: Cross multiply
    204,955.40x = 307,433.10 × 148,530.80
  4. Step 4: Simplify right side
    204,955.40x = 45,663,284,289.48
  5. Step 5: Solve for x
    x = 45,663,284,289.48/204,955.40
  6. Step 6: Final answer
    x = 222,796.20

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1.5x scale

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.