Finding the Fourth Proportional to 219,350.53, 329,161.16 and 86,207.41
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Solution
The fourth proportional to 219,350.53, 329,161.16 and 86,207.41 is: 129,364.32
Step by Step Solution
- Step 1: Write the proportion equation
219,350.53 : 329,161.16 = 86,207.41 : x - Step 2: Convert to fraction form
219,350.53/329,161.16 = 86,207.41/x - Step 3: Cross multiply
219,350.53x = 329,161.16 × 86,207.41 - Step 4: Simplify right side
219,350.53x = 28,376,131,076.20 - Step 5: Solve for x
x = 28,376,131,076.20/219,350.53 - Step 6: Final answer
x = 129,364.32
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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.