Finding the Fourth Proportional to 207,292.97, 286,060.94 and 116,648.87
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Solution
The fourth proportional to 207,292.97, 286,060.94 and 116,648.87 is: 160,973.56
Step by Step Solution
- Step 1: Write the proportion equation
207,292.97 : 286,060.94 = 116,648.87 : x - Step 2: Convert to fraction form
207,292.97/286,060.94 = 116,648.87/x - Step 3: Cross multiply
207,292.97x = 286,060.94 × 116,648.87 - Step 4: Simplify right side
207,292.97x = 33,368,685,534.05 - Step 5: Solve for x
x = 33,368,685,534.05/207,292.97 - Step 6: Final answer
x = 160,973.56
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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.