Finding the Fourth Proportional to 218,095.34, 326,901.02 and 91,698.08
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Solution
The fourth proportional to 218,095.34, 326,901.02 and 91,698.08 is: 137,445.37
Step by Step Solution
- Step 1: Write the proportion equation
218,095.34 : 326,901.02 = 91,698.08 : x - Step 2: Convert to fraction form
218,095.34/326,901.02 = 91,698.08/x - Step 3: Cross multiply
218,095.34x = 326,901.02 × 91,698.08 - Step 4: Simplify right side
218,095.34x = 29,976,193,791.05 - Step 5: Solve for x
x = 29,976,193,791.05/218,095.34 - Step 6: Final answer
x = 137,445.37
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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.