Finding the Fourth Proportional to 219,124.74, 328,791.20 and 151,760.44
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Solution
The fourth proportional to 219,124.74, 328,791.20 and 151,760.44 is: 227,712.75
Step by Step Solution
- Step 1: Write the proportion equation
219,124.74 : 328,791.20 = 151,760.44 : x - Step 2: Convert to fraction form
219,124.74/328,791.20 = 151,760.44/x - Step 3: Cross multiply
219,124.74x = 328,791.20 × 151,760.44 - Step 4: Simplify right side
219,124.74x = 49,897,497,180.13 - Step 5: Solve for x
x = 49,897,497,180.13/219,124.74 - Step 6: Final answer
x = 227,712.75
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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.