Finding the Fourth Proportional to 453,714.17, 680,519.37 and 121,316.09
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Solution
The fourth proportional to 453,714.17, 680,519.37 and 121,316.09 is: 181,960.26
Step by Step Solution
- Step 1: Write the proportion equation
453,714.17 : 680,519.37 = 121,316.09 : x - Step 2: Convert to fraction form
453,714.17/680,519.37 = 121,316.09/x - Step 3: Cross multiply
453,714.17x = 680,519.37 × 121,316.09 - Step 4: Simplify right side
453,714.17x = 82,557,949,137.66 - Step 5: Solve for x
x = 82,557,949,137.66/453,714.17 - Step 6: Final answer
x = 181,960.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.