Finding the Fourth Proportional to 311,269.99, 466,915.92 and 100,909.75
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Solution
The fourth proportional to 311,269.99, 466,915.92 and 100,909.75 is: 151,368.17
Step by Step Solution
- Step 1: Write the proportion equation
311,269.99 : 466,915.92 = 100,909.75 : x - Step 2: Convert to fraction form
311,269.99/466,915.92 = 100,909.75/x - Step 3: Cross multiply
311,269.99x = 466,915.92 × 100,909.75 - Step 4: Simplify right side
311,269.99x = 47,116,368,758.22 - Step 5: Solve for x
x = 47,116,368,758.22/311,269.99 - Step 6: Final answer
x = 151,368.17
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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.