Finding the Fourth Proportional to 272,186.12, 408,346.14 and 94,694.66
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Solution
The fourth proportional to 272,186.12, 408,346.14 and 94,694.66 is: 142,065.28
Step by Step Solution
- Step 1: Write the proportion equation
272,186.12 : 408,346.14 = 94,694.66 : x - Step 2: Convert to fraction form
272,186.12/408,346.14 = 94,694.66/x - Step 3: Cross multiply
272,186.12x = 408,346.14 × 94,694.66 - Step 4: Simplify right side
272,186.12x = 38,668,196,847.88 - Step 5: Solve for x
x = 38,668,196,847.88/272,186.12 - Step 6: Final answer
x = 142,065.28
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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.