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Finding the Fourth Proportional to 227,079.40, 340,619.10 and 222,158.65

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Solution

The fourth proportional to 227,079.40, 340,619.10 and 222,158.65 is: 333,237.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,079.40 : 340,619.10 = 222,158.65 : x
  2. Step 2: Convert to fraction form
    227,079.40/340,619.10 = 222,158.65/x
  3. Step 3: Cross multiply
    227,079.40x = 340,619.10 × 222,158.65
  4. Step 4: Simplify right side
    227,079.40x = 75,671,479,420.22
  5. Step 5: Solve for x
    x = 75,671,479,420.22/227,079.40
  6. Step 6: Final answer
    x = 333,237.98

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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.