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Finding the Fourth Proportional to 223,530.74, 308,466.26 and 122,928.74

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Solution

The fourth proportional to 223,530.74, 308,466.26 and 122,928.74 is: 169,638.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,530.74 : 308,466.26 = 122,928.74 : x
  2. Step 2: Convert to fraction form
    223,530.74/308,466.26 = 122,928.74/x
  3. Step 3: Cross multiply
    223,530.74x = 308,466.26 × 122,928.74
  4. Step 4: Simplify right side
    223,530.74x = 37,919,368,674.31
  5. Step 5: Solve for x
    x = 37,919,368,674.31/223,530.74
  6. Step 6: Final answer
    x = 169,638.27

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