Finding the Fourth Proportional to 329,293.46, 454,445.97 and 201,951.74
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Solution
The fourth proportional to 329,293.46, 454,445.97 and 201,951.74 is: 278,706.28
Step by Step Solution
- Step 1: Write the proportion equation
329,293.46 : 454,445.97 = 201,951.74 : x - Step 2: Convert to fraction form
329,293.46/454,445.97 = 201,951.74/x - Step 3: Cross multiply
329,293.46x = 454,445.97 × 201,951.74 - Step 4: Simplify right side
329,293.46x = 91,776,154,377.49 - Step 5: Solve for x
x = 91,776,154,377.49/329,293.46 - Step 6: Final answer
x = 278,706.28
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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.