Finding the Fourth Proportional to 354,473.28, 489,274.29 and 201,593.88
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Solution
The fourth proportional to 354,473.28, 489,274.29 and 201,593.88 is: 278,257.09
Step by Step Solution
- Step 1: Write the proportion equation
354,473.28 : 489,274.29 = 201,593.88 : x - Step 2: Convert to fraction form
354,473.28/489,274.29 = 201,593.88/x - Step 3: Cross multiply
354,473.28x = 489,274.29 × 201,593.88 - Step 4: Simplify right side
354,473.28x = 98,634,702,505.35 - Step 5: Solve for x
x = 98,634,702,505.35/354,473.28 - Step 6: Final answer
x = 278,257.09
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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.