Finding the Fourth Proportional to 110,866.73, 166,224.21 and 39,787.79
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Solution
The fourth proportional to 110,866.73, 166,224.21 and 39,787.79 is: 59,654.45
Step by Step Solution
- Step 1: Write the proportion equation
110,866.73 : 166,224.21 = 39,787.79 : x - Step 2: Convert to fraction form
110,866.73/166,224.21 = 39,787.79/x - Step 3: Cross multiply
110,866.73x = 166,224.21 × 39,787.79 - Step 4: Simplify right side
110,866.73x = 6,613,693,960.40 - Step 5: Solve for x
x = 6,613,693,960.40/110,866.73 - Step 6: Final answer
x = 59,654.45
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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.