Finding the Fourth Proportional to 328,631.28, 453,545.68 and 192,670.95
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Solution
The fourth proportional to 328,631.28, 453,545.68 and 192,670.95 is: 265,906.15
Step by Step Solution
- Step 1: Write the proportion equation
328,631.28 : 453,545.68 = 192,670.95 : x - Step 2: Convert to fraction form
328,631.28/453,545.68 = 192,670.95/x - Step 3: Cross multiply
328,631.28x = 453,545.68 × 192,670.95 - Step 4: Simplify right side
328,631.28x = 87,385,078,614.37 - Step 5: Solve for x
x = 87,385,078,614.37/328,631.28 - Step 6: Final answer
x = 265,906.15
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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.