Finding the Fourth Proportional to 352,640.98, 528,849.12 and 115,929.10
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Solution
The fourth proportional to 352,640.98, 528,849.12 and 115,929.10 is: 173,856.72
Step by Step Solution
- Step 1: Write the proportion equation
352,640.98 : 528,849.12 = 115,929.10 : x - Step 2: Convert to fraction form
352,640.98/528,849.12 = 115,929.10/x - Step 3: Cross multiply
352,640.98x = 528,849.12 × 115,929.10 - Step 4: Simplify right side
352,640.98x = 61,309,002,517.39 - Step 5: Solve for x
x = 61,309,002,517.39/352,640.98 - Step 6: Final answer
x = 173,856.72
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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.