Finding the Fourth Proportional to 177,979.51, 266,633.65 and 138,344.05
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Solution
The fourth proportional to 177,979.51, 266,633.65 and 138,344.05 is: 207,255.20
Step by Step Solution
- Step 1: Write the proportion equation
177,979.51 : 266,633.65 = 138,344.05 : x - Step 2: Convert to fraction form
177,979.51/266,633.65 = 138,344.05/x - Step 3: Cross multiply
177,979.51x = 266,633.65 × 138,344.05 - Step 4: Simplify right side
177,979.51x = 36,887,179,007.28 - Step 5: Solve for x
x = 36,887,179,007.28/177,979.51 - Step 6: Final answer
x = 207,255.20
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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.