Finding the Fourth Proportional to 217,430.25, 326,176.14 and 67,685.68
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Solution
The fourth proportional to 217,430.25, 326,176.14 and 67,685.68 is: 101,538.09
Step by Step Solution
- Step 1: Write the proportion equation
217,430.25 : 326,176.14 = 67,685.68 : x - Step 2: Convert to fraction form
217,430.25/326,176.14 = 67,685.68/x - Step 3: Cross multiply
217,430.25x = 326,176.14 × 67,685.68 - Step 4: Simplify right side
217,430.25x = 22,077,452,472.11 - Step 5: Solve for x
x = 22,077,452,472.11/217,430.25 - Step 6: Final answer
x = 101,538.09
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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.