Finding the Fourth Proportional to 207,838.98, 311,751.18 and 58,078.08
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Solution
The fourth proportional to 207,838.98, 311,751.18 and 58,078.08 is: 87,115.08
Step by Step Solution
- Step 1: Write the proportion equation
207,838.98 : 311,751.18 = 58,078.08 : x - Step 2: Convert to fraction form
207,838.98/311,751.18 = 58,078.08/x - Step 3: Cross multiply
207,838.98x = 311,751.18 × 58,078.08 - Step 4: Simplify right side
207,838.98x = 18,105,909,972.13 - Step 5: Solve for x
x = 18,105,909,972.13/207,838.98 - Step 6: Final answer
x = 87,115.08
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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.