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Finding the Fourth Proportional to 223,920.96, 308,999.52 and 123,299.52

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Solution

The fourth proportional to 223,920.96, 308,999.52 and 123,299.52 is: 170,147.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,920.96 : 308,999.52 = 123,299.52 : x
  2. Step 2: Convert to fraction form
    223,920.96/308,999.52 = 123,299.52/x
  3. Step 3: Cross multiply
    223,920.96x = 308,999.52 × 123,299.52
  4. Step 4: Simplify right side
    223,920.96x = 38,099,492,496.23
  5. Step 5: Solve for x
    x = 38,099,492,496.23/223,920.96
  6. Step 6: Final answer
    x = 170,147.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.