Finding the Fourth Proportional to 166,654.08, 229,988.16 and 91,205.28
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Solution
The fourth proportional to 166,654.08, 229,988.16 and 91,205.28 is: 125,866.31
Step by Step Solution
- Step 1: Write the proportion equation
166,654.08 : 229,988.16 = 91,205.28 : x - Step 2: Convert to fraction form
166,654.08/229,988.16 = 91,205.28/x - Step 3: Cross multiply
166,654.08x = 229,988.16 × 91,205.28 - Step 4: Simplify right side
166,654.08x = 20,976,134,529.48 - Step 5: Solve for x
x = 20,976,134,529.48/166,654.08 - Step 6: Final answer
x = 125,866.31
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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.