Finding the Fourth Proportional to 277,230.40, 382,577.68 and 149,905.69
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Solution
The fourth proportional to 277,230.40, 382,577.68 and 149,905.69 is: 206,869.70
Step by Step Solution
- Step 1: Write the proportion equation
277,230.40 : 382,577.68 = 149,905.69 : x - Step 2: Convert to fraction form
277,230.40/382,577.68 = 149,905.69/x - Step 3: Cross multiply
277,230.40x = 382,577.68 × 149,905.69 - Step 4: Simplify right side
277,230.40x = 57,350,570,329.94 - Step 5: Solve for x
x = 57,350,570,329.94/277,230.40 - Step 6: Final answer
x = 206,869.70
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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.