Finding the Fourth Proportional to 219,046.21, 328,448.82 and 98,962.09
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Solution
The fourth proportional to 219,046.21, 328,448.82 and 98,962.09 is: 148,388.70
Step by Step Solution
- Step 1: Write the proportion equation
219,046.21 : 328,448.82 = 98,962.09 : x - Step 2: Convert to fraction form
219,046.21/328,448.82 = 98,962.09/x - Step 3: Cross multiply
219,046.21x = 328,448.82 × 98,962.09 - Step 4: Simplify right side
219,046.21x = 32,503,981,235.22 - Step 5: Solve for x
x = 32,503,981,235.22/219,046.21 - Step 6: Final answer
x = 148,388.70
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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.