Finding the Fourth Proportional to 193,645.30, 267,229.99 and 107,603.94
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Solution
The fourth proportional to 193,645.30, 267,229.99 and 107,603.94 is: 148,493.15
Step by Step Solution
- Step 1: Write the proportion equation
193,645.30 : 267,229.99 = 107,603.94 : x - Step 2: Convert to fraction form
193,645.30/267,229.99 = 107,603.94/x - Step 3: Cross multiply
193,645.30x = 267,229.99 × 107,603.94 - Step 4: Simplify right side
193,645.30x = 28,755,000,341.51 - Step 5: Solve for x
x = 28,755,000,341.51/193,645.30 - Step 6: Final answer
x = 148,493.15
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.