Finding the Fourth Proportional to 352,638.97, 528,846.12 and 115,927.09
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Solution
The fourth proportional to 352,638.97, 528,846.12 and 115,927.09 is: 173,853.70
Step by Step Solution
- Step 1: Write the proportion equation
352,638.97 : 528,846.12 = 115,927.09 : x - Step 2: Convert to fraction form
352,638.97/528,846.12 = 115,927.09/x - Step 3: Cross multiply
352,638.97x = 528,846.12 × 115,927.09 - Step 4: Simplify right side
352,638.97x = 61,307,591,169.76 - Step 5: Solve for x
x = 61,307,591,169.76/352,638.97 - Step 6: Final answer
x = 173,853.70
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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.