Finding the Fourth Proportional to 68,518.17, 102,778.40 and 24,145.46
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Solution
The fourth proportional to 68,518.17, 102,778.40 and 24,145.46 is: 36,218.59
Step by Step Solution
- Step 1: Write the proportion equation
68,518.17 : 102,778.40 = 24,145.46 : x - Step 2: Convert to fraction form
68,518.17/102,778.40 = 24,145.46/x - Step 3: Cross multiply
68,518.17x = 102,778.40 × 24,145.46 - Step 4: Simplify right side
68,518.17x = 2,481,631,882.28 - Step 5: Solve for x
x = 2,481,631,882.28/68,518.17 - Step 6: Final answer
x = 36,218.59
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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.