Finding the Fourth Proportional to 207,708.99, 286,658.64 and 122,853.39
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Solution
The fourth proportional to 207,708.99, 286,658.64 and 122,853.39 is: 169,549.65
Step by Step Solution
- Step 1: Write the proportion equation
207,708.99 : 286,658.64 = 122,853.39 : x - Step 2: Convert to fraction form
207,708.99/286,658.64 = 122,853.39/x - Step 3: Cross multiply
207,708.99x = 286,658.64 × 122,853.39 - Step 4: Simplify right side
207,708.99x = 35,216,985,696.79 - Step 5: Solve for x
x = 35,216,985,696.79/207,708.99 - Step 6: Final answer
x = 169,549.65
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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.