Finding the Fourth Proportional to 165,983.64, 248,976.99 and 47,654.97
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Solution
The fourth proportional to 165,983.64, 248,976.99 and 47,654.97 is: 71,482.89
Step by Step Solution
- Step 1: Write the proportion equation
165,983.64 : 248,976.99 = 47,654.97 : x - Step 2: Convert to fraction form
165,983.64/248,976.99 = 47,654.97/x - Step 3: Cross multiply
165,983.64x = 248,976.99 × 47,654.97 - Step 4: Simplify right side
165,983.64x = 11,864,990,989.14 - Step 5: Solve for x
x = 11,864,990,989.14/165,983.64 - Step 6: Final answer
x = 71,482.89
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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.