Finding the Fourth Proportional to 479,161.74, 661,240.08 and 261,382.44
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Solution
The fourth proportional to 479,161.74, 661,240.08 and 261,382.44 is: 360,706.06
Step by Step Solution
- Step 1: Write the proportion equation
479,161.74 : 661,240.08 = 261,382.44 : x - Step 2: Convert to fraction form
479,161.74/661,240.08 = 261,382.44/x - Step 3: Cross multiply
479,161.74x = 661,240.08 × 261,382.44 - Step 4: Simplify right side
479,161.74x = 172,836,545,536.20 - Step 5: Solve for x
x = 172,836,545,536.20/479,161.74 - Step 6: Final answer
x = 360,706.06
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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.