Finding the Fourth Proportional to 217,594.09, 326,154.97 and 84,435.13
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Solution
The fourth proportional to 217,594.09, 326,154.97 and 84,435.13 is: 126,561.05
Step by Step Solution
- Step 1: Write the proportion equation
217,594.09 : 326,154.97 = 84,435.13 : x - Step 2: Convert to fraction form
217,594.09/326,154.97 = 84,435.13/x - Step 3: Cross multiply
217,594.09x = 326,154.97 × 84,435.13 - Step 4: Simplify right side
217,594.09x = 27,538,937,292.10 - Step 5: Solve for x
x = 27,538,937,292.10/217,594.09 - Step 6: Final answer
x = 126,561.05
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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.