Finding the Fourth Proportional to 201,369.63, 277,820.94 and 124,861.19
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Solution
The fourth proportional to 201,369.63, 277,820.94 and 124,861.19 is: 172,265.57
Step by Step Solution
- Step 1: Write the proportion equation
201,369.63 : 277,820.94 = 124,861.19 : x - Step 2: Convert to fraction form
201,369.63/277,820.94 = 124,861.19/x - Step 3: Cross multiply
201,369.63x = 277,820.94 × 124,861.19 - Step 4: Simplify right side
201,369.63x = 34,689,053,869.87 - Step 5: Solve for x
x = 34,689,053,869.87/201,369.63 - Step 6: Final answer
x = 172,265.57
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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.