Finding the Fourth Proportional to 409,218.91, 564,750.45 and 248,080.75
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Solution
The fourth proportional to 409,218.91, 564,750.45 and 248,080.75 is: 342,368.62
Step by Step Solution
- Step 1: Write the proportion equation
409,218.91 : 564,750.45 = 248,080.75 : x - Step 2: Convert to fraction form
409,218.91/564,750.45 = 248,080.75/x - Step 3: Cross multiply
409,218.91x = 564,750.45 × 248,080.75 - Step 4: Simplify right side
409,218.91x = 140,103,715,198.84 - Step 5: Solve for x
x = 140,103,715,198.84/409,218.91 - Step 6: Final answer
x = 342,368.62
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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.