Finding the Fourth Proportional to 219,239.68, 328,868.67 and 69,476.66
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Solution
The fourth proportional to 219,239.68, 328,868.67 and 69,476.66 is: 104,217.89
Step by Step Solution
- Step 1: Write the proportion equation
219,239.68 : 328,868.67 = 69,476.66 : x - Step 2: Convert to fraction form
219,239.68/328,868.67 = 69,476.66/x - Step 3: Cross multiply
219,239.68x = 328,868.67 × 69,476.66 - Step 4: Simplify right side
219,239.68x = 22,848,696,770.24 - Step 5: Solve for x
x = 22,848,696,770.24/219,239.68 - Step 6: Final answer
x = 104,217.89
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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.