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Finding the Fourth Proportional to 227,005.80, 340,703.10 and 100,840.20

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Solution

The fourth proportional to 227,005.80, 340,703.10 and 100,840.20 is: 151,346.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,005.80 : 340,703.10 = 100,840.20 : x
  2. Step 2: Convert to fraction form
    227,005.80/340,703.10 = 100,840.20/x
  3. Step 3: Cross multiply
    227,005.80x = 340,703.10 × 100,840.20
  4. Step 4: Simplify right side
    227,005.80x = 34,356,568,744.62
  5. Step 5: Solve for x
    x = 34,356,568,744.62/227,005.80
  6. Step 6: Final answer
    x = 151,346.66

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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.