Finding the Fourth Proportional to 200,781.16, 277,086.68 and 120,193.08
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Solution
The fourth proportional to 200,781.16, 277,086.68 and 120,193.08 is: 165,871.65
Step by Step Solution
- Step 1: Write the proportion equation
200,781.16 : 277,086.68 = 120,193.08 : x - Step 2: Convert to fraction form
200,781.16/277,086.68 = 120,193.08/x - Step 3: Cross multiply
200,781.16x = 277,086.68 × 120,193.08 - Step 4: Simplify right side
200,781.16x = 33,303,901,496.17 - Step 5: Solve for x
x = 33,303,901,496.17/200,781.16 - Step 6: Final answer
x = 165,871.65
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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.