Finding the Fourth Proportional to 316,706.13, 437,062.97 and 178,874.01
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Solution
The fourth proportional to 316,706.13, 437,062.97 and 178,874.01 is: 246,850.94
Step by Step Solution
- Step 1: Write the proportion equation
316,706.13 : 437,062.97 = 178,874.01 : x - Step 2: Convert to fraction form
316,706.13/437,062.97 = 178,874.01/x - Step 3: Cross multiply
316,706.13x = 437,062.97 × 178,874.01 - Step 4: Simplify right side
316,706.13x = 78,179,206,513.59 - Step 5: Solve for x
x = 78,179,206,513.59/316,706.13 - Step 6: Final answer
x = 246,850.94
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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.