Finding the Fourth Proportional to 540,715.13, 811,063.79 and 161,636.75
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Solution
The fourth proportional to 540,715.13, 811,063.79 and 161,636.75 is: 242,452.46
Step by Step Solution
- Step 1: Write the proportion equation
540,715.13 : 811,063.79 = 161,636.75 : x - Step 2: Convert to fraction form
540,715.13/811,063.79 = 161,636.75/x - Step 3: Cross multiply
540,715.13x = 811,063.79 × 161,636.75 - Step 4: Simplify right side
540,715.13x = 131,097,715,058.28 - Step 5: Solve for x
x = 131,097,715,058.28/540,715.13 - Step 6: Final answer
x = 242,452.46
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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.