Finding the Fourth Proportional to 296,115.36, 408,639.20 and 160,149.31
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Solution
The fourth proportional to 296,115.36, 408,639.20 and 160,149.31 is: 221,006.05
Step by Step Solution
- Step 1: Write the proportion equation
296,115.36 : 408,639.20 = 160,149.31 : x - Step 2: Convert to fraction form
296,115.36/408,639.20 = 160,149.31/x - Step 3: Cross multiply
296,115.36x = 408,639.20 × 160,149.31 - Step 4: Simplify right side
296,115.36x = 65,443,285,918.95 - Step 5: Solve for x
x = 65,443,285,918.95/296,115.36 - Step 6: Final answer
x = 221,006.05
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.