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Finding the Fourth Proportional to 221,875.50, 332,813.25 and 74,131.50

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Solution

The fourth proportional to 221,875.50, 332,813.25 and 74,131.50 is: 111,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,875.50 : 332,813.25 = 74,131.50 : x
  2. Step 2: Convert to fraction form
    221,875.50/332,813.25 = 74,131.50/x
  3. Step 3: Cross multiply
    221,875.50x = 332,813.25 × 74,131.50
  4. Step 4: Simplify right side
    221,875.50x = 24,671,945,442.38
  5. Step 5: Solve for x
    x = 24,671,945,442.38/221,875.50
  6. Step 6: Final answer
    x = 111,197.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.