Finding the Fourth Proportional to 274,731.12, 379,130.11 and 160,088.41
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Solution
The fourth proportional to 274,731.12, 379,130.11 and 160,088.41 is: 220,922.69
Step by Step Solution
- Step 1: Write the proportion equation
274,731.12 : 379,130.11 = 160,088.41 : x - Step 2: Convert to fraction form
274,731.12/379,130.11 = 160,088.41/x - Step 3: Cross multiply
274,731.12x = 379,130.11 × 160,088.41 - Step 4: Simplify right side
274,731.12x = 60,694,336,874.74 - Step 5: Solve for x
x = 60,694,336,874.74/274,731.12 - Step 6: Final answer
x = 220,922.69
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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.