Finding the Fourth Proportional to 327,622.19, 491,503.44 and 185,534.63
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Solution
The fourth proportional to 327,622.19, 491,503.44 and 185,534.63 is: 278,341.67
Step by Step Solution
- Step 1: Write the proportion equation
327,622.19 : 491,503.44 = 185,534.63 : x - Step 2: Convert to fraction form
327,622.19/491,503.44 = 185,534.63/x - Step 3: Cross multiply
327,622.19x = 491,503.44 × 185,534.63 - Step 4: Simplify right side
327,622.19x = 91,190,906,426.61 - Step 5: Solve for x
x = 91,190,906,426.61/327,622.19 - Step 6: Final answer
x = 278,341.67
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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.