Finding the Fourth Proportional to 219,207.18, 328,772.94 and 61,398.12
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Solution
The fourth proportional to 219,207.18, 328,772.94 and 61,398.12 is: 92,086.58
Step by Step Solution
- Step 1: Write the proportion equation
219,207.18 : 328,772.94 = 61,398.12 : x - Step 2: Convert to fraction form
219,207.18/328,772.94 = 61,398.12/x - Step 3: Cross multiply
219,207.18x = 328,772.94 × 61,398.12 - Step 4: Simplify right side
219,207.18x = 20,186,040,422.87 - Step 5: Solve for x
x = 20,186,040,422.87/219,207.18 - Step 6: Final answer
x = 92,086.58
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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.