Finding the Fourth Proportional to 453,694.91, 625,749.26 and 281,714.70
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Solution
The fourth proportional to 453,694.91, 625,749.26 and 281,714.70 is: 388,549.14
Step by Step Solution
- Step 1: Write the proportion equation
453,694.91 : 625,749.26 = 281,714.70 : x - Step 2: Convert to fraction form
453,694.91/625,749.26 = 281,714.70/x - Step 3: Cross multiply
453,694.91x = 625,749.26 × 281,714.70 - Step 4: Simplify right side
453,694.91x = 176,282,765,056.12 - Step 5: Solve for x
x = 176,282,765,056.12/453,694.91 - Step 6: Final answer
x = 388,549.14
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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.