Finding the Fourth Proportional to 207,251.75, 286,007.42 and 117,827.75
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Solution
The fourth proportional to 207,251.75, 286,007.42 and 117,827.75 is: 162,602.30
Step by Step Solution
- Step 1: Write the proportion equation
207,251.75 : 286,007.42 = 117,827.75 : x - Step 2: Convert to fraction form
207,251.75/286,007.42 = 117,827.75/x - Step 3: Cross multiply
207,251.75x = 286,007.42 × 117,827.75 - Step 4: Simplify right side
207,251.75x = 33,699,610,781.91 - Step 5: Solve for x
x = 33,699,610,781.91/207,251.75 - Step 6: Final answer
x = 162,602.30
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1.5x scale
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.