Finding the Fourth Proportional to 328,396.62, 453,187.12 and 177,493.62
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Solution
The fourth proportional to 328,396.62, 453,187.12 and 177,493.62 is: 244,941.08
Step by Step Solution
- Step 1: Write the proportion equation
328,396.62 : 453,187.12 = 177,493.62 : x - Step 2: Convert to fraction form
328,396.62/453,187.12 = 177,493.62/x - Step 3: Cross multiply
328,396.62x = 453,187.12 × 177,493.62 - Step 4: Simplify right side
328,396.62x = 80,437,822,466.17 - Step 5: Solve for x
x = 80,437,822,466.17/328,396.62 - Step 6: Final answer
x = 244,941.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.