Finding the Fourth Proportional to 453,713.17, 680,517.91 and 121,315.09
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Solution
The fourth proportional to 453,713.17, 680,517.91 and 121,315.09 is: 181,958.77
Step by Step Solution
- Step 1: Write the proportion equation
453,713.17 : 680,517.91 = 121,315.09 : x - Step 2: Convert to fraction form
453,713.17/680,517.91 = 121,315.09/x - Step 3: Cross multiply
453,713.17x = 680,517.91 × 121,315.09 - Step 4: Simplify right side
453,713.17x = 82,557,091,498.26 - Step 5: Solve for x
x = 82,557,091,498.26/453,713.17 - Step 6: Final answer
x = 181,958.77
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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.