Finding the Fourth Proportional to 352,640.97, 528,849.11 and 115,929.09
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Solution
The fourth proportional to 352,640.97, 528,849.11 and 115,929.09 is: 173,856.70
Step by Step Solution
- Step 1: Write the proportion equation
352,640.97 : 528,849.11 = 115,929.09 : x - Step 2: Convert to fraction form
352,640.97/528,849.11 = 115,929.09/x - Step 3: Cross multiply
352,640.97x = 528,849.11 × 115,929.09 - Step 4: Simplify right side
352,640.97x = 61,308,996,069.61 - Step 5: Solve for x
x = 61,308,996,069.61/352,640.97 - Step 6: Final answer
x = 173,856.70
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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.