Finding the Fourth Proportional to 311,081.68, 466,696.68 and 100,719.68
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Solution
The fourth proportional to 311,081.68, 466,696.68 and 100,719.68 is: 151,103.53
Step by Step Solution
- Step 1: Write the proportion equation
311,081.68 : 466,696.68 = 100,719.68 : x - Step 2: Convert to fraction form
311,081.68/466,696.68 = 100,719.68/x - Step 3: Cross multiply
311,081.68x = 466,696.68 × 100,719.68 - Step 4: Simplify right side
311,081.68x = 47,005,540,266.66 - Step 5: Solve for x
x = 47,005,540,266.66/311,081.68 - Step 6: Final answer
x = 151,103.53
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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.