Finding the Fourth Proportional to 281,714.09, 388,592.71 and 230,106.17
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Solution
The fourth proportional to 281,714.09, 388,592.71 and 230,106.17 is: 317,405.43
Step by Step Solution
- Step 1: Write the proportion equation
281,714.09 : 388,592.71 = 230,106.17 : x - Step 2: Convert to fraction form
281,714.09/388,592.71 = 230,106.17/x - Step 3: Cross multiply
281,714.09x = 388,592.71 × 230,106.17 - Step 4: Simplify right side
281,714.09x = 89,417,580,584.24 - Step 5: Solve for x
x = 89,417,580,584.24/281,714.09 - Step 6: Final answer
x = 317,405.43
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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.