Finding the Fourth Proportional to 217,812.10, 326,718.15 and 164,589.70
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Solution
The fourth proportional to 217,812.10, 326,718.15 and 164,589.70 is: 246,884.55
Step by Step Solution
- Step 1: Write the proportion equation
217,812.10 : 326,718.15 = 164,589.70 : x - Step 2: Convert to fraction form
217,812.10/326,718.15 = 164,589.70/x - Step 3: Cross multiply
217,812.10x = 326,718.15 × 164,589.70 - Step 4: Simplify right side
217,812.10x = 53,774,442,293.06 - Step 5: Solve for x
x = 53,774,442,293.06/217,812.10 - Step 6: Final answer
x = 246,884.55
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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.