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Finding the Fourth Proportional to 227,077.20, 340,615.80 and 155,806.80

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Solution

The fourth proportional to 227,077.20, 340,615.80 and 155,806.80 is: 233,710.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,077.20 : 340,615.80 = 155,806.80 : x
  2. Step 2: Convert to fraction form
    227,077.20/340,615.80 = 155,806.80/x
  3. Step 3: Cross multiply
    227,077.20x = 340,615.80 × 155,806.80
  4. Step 4: Simplify right side
    227,077.20x = 53,070,257,827.44
  5. Step 5: Solve for x
    x = 53,070,257,827.44/227,077.20
  6. Step 6: Final answer
    x = 233,710.20

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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.