Finding the Fourth Proportional to 108,463.95, 162,691.11 and 29,578.20
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Solution
The fourth proportional to 108,463.95, 162,691.11 and 29,578.20 is: 44,365.99
Step by Step Solution
- Step 1: Write the proportion equation
108,463.95 : 162,691.11 = 29,578.20 : x - Step 2: Convert to fraction form
108,463.95/162,691.11 = 29,578.20/x - Step 3: Cross multiply
108,463.95x = 162,691.11 × 29,578.20 - Step 4: Simplify right side
108,463.95x = 4,812,110,189.80 - Step 5: Solve for x
x = 4,812,110,189.80/108,463.95 - Step 6: Final answer
x = 44,365.99
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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.