Finding the Fourth Proportional to 108,147.62, 162,229.95 and 38,042.66
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Solution
The fourth proportional to 108,147.62, 162,229.95 and 38,042.66 is: 57,066.99
Step by Step Solution
- Step 1: Write the proportion equation
108,147.62 : 162,229.95 = 38,042.66 : x - Step 2: Convert to fraction form
108,147.62/162,229.95 = 38,042.66/x - Step 3: Cross multiply
108,147.62x = 162,229.95 × 38,042.66 - Step 4: Simplify right side
108,147.62x = 6,171,658,829.67 - Step 5: Solve for x
x = 6,171,658,829.67/108,147.62 - Step 6: Final answer
x = 57,066.99
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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.