Finding the Fourth Proportional to 219,151.36, 328,747.52 and 100,855.68
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Solution
The fourth proportional to 219,151.36, 328,747.52 and 100,855.68 is: 151,292.95
Step by Step Solution
- Step 1: Write the proportion equation
219,151.36 : 328,747.52 = 100,855.68 : x - Step 2: Convert to fraction form
219,151.36/328,747.52 = 100,855.68/x - Step 3: Cross multiply
219,151.36x = 328,747.52 × 100,855.68 - Step 4: Simplify right side
219,151.36x = 33,156,054,677.91 - Step 5: Solve for x
x = 33,156,054,677.91/219,151.36 - Step 6: Final answer
x = 151,292.95
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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.