Home / 227,202.37-340,426.77-138,186.61

Finding the Fourth Proportional to 227,202.37, 340,426.77 and 138,186.61

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Solution

The fourth proportional to 227,202.37, 340,426.77 and 138,186.61 is: 207,050.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,202.37 : 340,426.77 = 138,186.61 : x
  2. Step 2: Convert to fraction form
    227,202.37/340,426.77 = 138,186.61/x
  3. Step 3: Cross multiply
    227,202.37x = 340,426.77 × 138,186.61
  4. Step 4: Simplify right side
    227,202.37x = 47,042,421,299.55
  5. Step 5: Solve for x
    x = 47,042,421,299.55/227,202.37
  6. Step 6: Final answer
    x = 207,050.75

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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.