Finding the Fourth Proportional to 329,627.92, 493,087.74 and 263,197.80
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Solution
The fourth proportional to 329,627.92, 493,087.74 and 263,197.80 is: 393,715.46
Step by Step Solution
- Step 1: Write the proportion equation
329,627.92 : 493,087.74 = 263,197.80 : x - Step 2: Convert to fraction form
329,627.92/493,087.74 = 263,197.80/x - Step 3: Cross multiply
329,627.92x = 493,087.74 × 263,197.80 - Step 4: Simplify right side
329,627.92x = 129,779,608,374.97 - Step 5: Solve for x
x = 129,779,608,374.97/329,627.92 - Step 6: Final answer
x = 393,715.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.