Finding the Fourth Proportional to 277,166.19, 382,489.25 and 149,841.75
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Solution
The fourth proportional to 277,166.19, 382,489.25 and 149,841.75 is: 206,781.56
Step by Step Solution
- Step 1: Write the proportion equation
277,166.19 : 382,489.25 = 149,841.75 : x - Step 2: Convert to fraction form
277,166.19/382,489.25 = 149,841.75/x - Step 3: Cross multiply
277,166.19x = 382,489.25 × 149,841.75 - Step 4: Simplify right side
277,166.19x = 57,312,857,826.98 - Step 5: Solve for x
x = 57,312,857,826.98/277,166.19 - Step 6: Final answer
x = 206,781.56
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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.