Finding the Fourth Proportional to 207,961.08, 312,116.58 and 194,839.08
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Solution
The fourth proportional to 207,961.08, 312,116.58 and 194,839.08 is: 292,422.54
Step by Step Solution
- Step 1: Write the proportion equation
207,961.08 : 312,116.58 = 194,839.08 : x - Step 2: Convert to fraction form
207,961.08/312,116.58 = 194,839.08/x - Step 3: Cross multiply
207,961.08x = 312,116.58 × 194,839.08 - Step 4: Simplify right side
207,961.08x = 60,812,507,299.95 - Step 5: Solve for x
x = 60,812,507,299.95/207,961.08 - Step 6: Final answer
x = 292,422.54
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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.