Finding the Fourth Proportional to 316,832.38, 437,211.97 and 180,860.92
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Solution
The fourth proportional to 316,832.38, 437,211.97 and 180,860.92 is: 249,578.53
Step by Step Solution
- Step 1: Write the proportion equation
316,832.38 : 437,211.97 = 180,860.92 : x - Step 2: Convert to fraction form
316,832.38/437,211.97 = 180,860.92/x - Step 3: Cross multiply
316,832.38x = 437,211.97 × 180,860.92 - Step 4: Simplify right side
316,832.38x = 79,074,557,584.03 - Step 5: Solve for x
x = 79,074,557,584.03/316,832.38 - Step 6: Final answer
x = 249,578.53
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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.