Finding the Fourth Proportional to 352,498.62, 528,729.28 and 217,588.26
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Solution
The fourth proportional to 352,498.62, 528,729.28 and 217,588.26 is: 326,370.88
Step by Step Solution
- Step 1: Write the proportion equation
352,498.62 : 528,729.28 = 217,588.26 : x - Step 2: Convert to fraction form
352,498.62/528,729.28 = 217,588.26/x - Step 3: Cross multiply
352,498.62x = 528,729.28 × 217,588.26 - Step 4: Simplify right side
352,498.62x = 115,045,284,046.25 - Step 5: Solve for x
x = 115,045,284,046.25/352,498.62 - Step 6: Final answer
x = 326,370.88
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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.