Finding the Fourth Proportional to 316,874.26, 437,122.92 and 214,865.20
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Solution
The fourth proportional to 316,874.26, 437,122.92 and 214,865.20 is: 296,403.07
Step by Step Solution
- Step 1: Write the proportion equation
316,874.26 : 437,122.92 = 214,865.20 : x - Step 2: Convert to fraction form
316,874.26/437,122.92 = 214,865.20/x - Step 3: Cross multiply
316,874.26x = 437,122.92 × 214,865.20 - Step 4: Simplify right side
316,874.26x = 93,922,503,630.38 - Step 5: Solve for x
x = 93,922,503,630.38/316,874.26 - Step 6: Final answer
x = 296,403.07
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1.5x scale
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.