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Finding the Fourth Proportional to 232,476.81, 347,918.94 and 161,479.50

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Solution

The fourth proportional to 232,476.81, 347,918.94 and 161,479.50 is: 241,666.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,476.81 : 347,918.94 = 161,479.50 : x
  2. Step 2: Convert to fraction form
    232,476.81/347,918.94 = 161,479.50/x
  3. Step 3: Cross multiply
    232,476.81x = 347,918.94 × 161,479.50
  4. Step 4: Simplify right side
    232,476.81x = 56,181,776,471.73
  5. Step 5: Solve for x
    x = 56,181,776,471.73/232,476.81
  6. Step 6: Final answer
    x = 241,666.15

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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.