Finding the Fourth Proportional to 217,738.26, 300,511.35 and 132,904.53
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Solution
The fourth proportional to 217,738.26, 300,511.35 and 132,904.53 is: 183,428.12
Step by Step Solution
- Step 1: Write the proportion equation
217,738.26 : 300,511.35 = 132,904.53 : x - Step 2: Convert to fraction form
217,738.26/300,511.35 = 132,904.53/x - Step 3: Cross multiply
217,738.26x = 300,511.35 × 132,904.53 - Step 4: Simplify right side
217,738.26x = 39,939,319,731.42 - Step 5: Solve for x
x = 39,939,319,731.42/217,738.26 - Step 6: Final answer
x = 183,428.12
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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.