Finding the Fourth Proportional to 207,714.96, 286,655.00 and 117,074.70
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Solution
The fourth proportional to 207,714.96, 286,655.00 and 117,074.70 is: 161,567.79
Step by Step Solution
- Step 1: Write the proportion equation
207,714.96 : 286,655.00 = 117,074.70 : x - Step 2: Convert to fraction form
207,714.96/286,655.00 = 117,074.70/x - Step 3: Cross multiply
207,714.96x = 286,655.00 × 117,074.70 - Step 4: Simplify right side
207,714.96x = 33,560,047,543.13 - Step 5: Solve for x
x = 33,560,047,543.13/207,714.96 - Step 6: Final answer
x = 161,567.79
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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.