Finding the Fourth Proportional to 316,874.49, 437,344.20 and 202,188.75
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Solution
The fourth proportional to 316,874.49, 437,344.20 and 202,188.75 is: 279,057.10
Step by Step Solution
- Step 1: Write the proportion equation
316,874.49 : 437,344.20 = 202,188.75 : x - Step 2: Convert to fraction form
316,874.49/437,344.20 = 202,188.75/x - Step 3: Cross multiply
316,874.49x = 437,344.20 × 202,188.75 - Step 4: Simplify right side
316,874.49x = 88,426,077,117.75 - Step 5: Solve for x
x = 88,426,077,117.75/316,874.49 - Step 6: Final answer
x = 279,057.10
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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.