Finding the Fourth Proportional to 461,087.10, 636,203.97 and 279,894.42
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Solution
The fourth proportional to 461,087.10, 636,203.97 and 279,894.42 is: 386,195.89
Step by Step Solution
- Step 1: Write the proportion equation
461,087.10 : 636,203.97 = 279,894.42 : x - Step 2: Convert to fraction form
461,087.10/636,203.97 = 279,894.42/x - Step 3: Cross multiply
461,087.10x = 636,203.97 × 279,894.42 - Step 4: Simplify right side
461,087.10x = 178,069,941,184.85 - Step 5: Solve for x
x = 178,069,941,184.85/461,087.10 - Step 6: Final answer
x = 386,195.89
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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.