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Finding the Fourth Proportional to 223,111.42, 334,800.11 and 80,967.80

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Solution

The fourth proportional to 223,111.42, 334,800.11 and 80,967.80 is: 121,499.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,111.42 : 334,800.11 = 80,967.80 : x
  2. Step 2: Convert to fraction form
    223,111.42/334,800.11 = 80,967.80/x
  3. Step 3: Cross multiply
    223,111.42x = 334,800.11 × 80,967.80
  4. Step 4: Simplify right side
    223,111.42x = 27,108,028,346.46
  5. Step 5: Solve for x
    x = 27,108,028,346.46/223,111.42
  6. Step 6: Final answer
    x = 121,499.96

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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.