Finding the Fourth Proportional to 68,366.47, 102,514.17 and 30,908.63
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Solution
The fourth proportional to 68,366.47, 102,514.17 and 30,908.63 is: 46,346.88
Step by Step Solution
- Step 1: Write the proportion equation
68,366.47 : 102,514.17 = 30,908.63 : x - Step 2: Convert to fraction form
68,366.47/102,514.17 = 30,908.63/x - Step 3: Cross multiply
68,366.47x = 102,514.17 × 30,908.63 - Step 4: Simplify right side
68,366.47x = 3,168,572,550.29 - Step 5: Solve for x
x = 3,168,572,550.29/68,366.47 - Step 6: Final answer
x = 46,346.88
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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.