Finding the Fourth Proportional to 217,664.08, 326,622.17 and 91,293.08
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Solution
The fourth proportional to 217,664.08, 326,622.17 and 91,293.08 is: 136,992.48
Step by Step Solution
- Step 1: Write the proportion equation
217,664.08 : 326,622.17 = 91,293.08 : x - Step 2: Convert to fraction form
217,664.08/326,622.17 = 91,293.08/x - Step 3: Cross multiply
217,664.08x = 326,622.17 × 91,293.08 - Step 4: Simplify right side
217,664.08x = 29,818,342,490.71 - Step 5: Solve for x
x = 29,818,342,490.71/217,664.08 - Step 6: Final answer
x = 136,992.48
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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.