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Finding the Fourth Proportional to 227,008.40, 340,512.60 and 180,006.80

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Solution

The fourth proportional to 227,008.40, 340,512.60 and 180,006.80 is: 270,010.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,008.40 : 340,512.60 = 180,006.80 : x
  2. Step 2: Convert to fraction form
    227,008.40/340,512.60 = 180,006.80/x
  3. Step 3: Cross multiply
    227,008.40x = 340,512.60 × 180,006.80
  4. Step 4: Simplify right side
    227,008.40x = 61,294,583,485.68
  5. Step 5: Solve for x
    x = 61,294,583,485.68/227,008.40
  6. Step 6: Final answer
    x = 270,010.20

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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.