Finding the Fourth Proportional to 281,044.08, 387,843.84 and 153,716.94
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Solution
The fourth proportional to 281,044.08, 387,843.84 and 153,716.94 is: 212,131.02
Step by Step Solution
- Step 1: Write the proportion equation
281,044.08 : 387,843.84 = 153,716.94 : x - Step 2: Convert to fraction form
281,044.08/387,843.84 = 153,716.94/x - Step 3: Cross multiply
281,044.08x = 387,843.84 × 153,716.94 - Step 4: Simplify right side
281,044.08x = 59,618,168,282.65 - Step 5: Solve for x
x = 59,618,168,282.65/281,044.08 - Step 6: Final answer
x = 212,131.02
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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.