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Finding the Fourth Proportional to 223,342.60, 311,979.80 and 223,342.60

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Solution

The fourth proportional to 223,342.60, 311,979.80 and 223,342.60 is: 311,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,342.60 : 311,979.80 = 223,342.60 : x
  2. Step 2: Convert to fraction form
    223,342.60/311,979.80 = 223,342.60/x
  3. Step 3: Cross multiply
    223,342.60x = 311,979.80 × 223,342.60
  4. Step 4: Simplify right side
    223,342.60x = 69,678,379,679.48
  5. Step 5: Solve for x
    x = 69,678,379,679.48/223,342.60
  6. Step 6: Final answer
    x = 311,979.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.