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Finding the Fourth Proportional to 226,771.20, 340,156.80 and 77,050.80

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Solution

The fourth proportional to 226,771.20, 340,156.80 and 77,050.80 is: 115,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,771.20 : 340,156.80 = 77,050.80 : x
  2. Step 2: Convert to fraction form
    226,771.20/340,156.80 = 77,050.80/x
  3. Step 3: Cross multiply
    226,771.20x = 340,156.80 × 77,050.80
  4. Step 4: Simplify right side
    226,771.20x = 26,209,353,565.44
  5. Step 5: Solve for x
    x = 26,209,353,565.44/226,771.20
  6. Step 6: Final answer
    x = 115,576.20

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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.