Finding the Fourth Proportional to 316,757.34, 436,774.85 and 201,853.98
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Solution
The fourth proportional to 316,757.34, 436,774.85 and 201,853.98 is: 278,335.28
Step by Step Solution
- Step 1: Write the proportion equation
316,757.34 : 436,774.85 = 201,853.98 : x - Step 2: Convert to fraction form
316,757.34/436,774.85 = 201,853.98/x - Step 3: Cross multiply
316,757.34x = 436,774.85 × 201,853.98 - Step 4: Simplify right side
316,757.34x = 88,164,741,836.40 - Step 5: Solve for x
x = 88,164,741,836.40/316,757.34 - Step 6: Final answer
x = 278,335.28
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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.