Finding the Fourth Proportional to 354,581.74, 489,302.76 and 201,598.66
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Solution
The fourth proportional to 354,581.74, 489,302.76 and 201,598.66 is: 278,194.76
Step by Step Solution
- Step 1: Write the proportion equation
354,581.74 : 489,302.76 = 201,598.66 : x - Step 2: Convert to fraction form
354,581.74/489,302.76 = 201,598.66/x - Step 3: Cross multiply
354,581.74x = 489,302.76 × 201,598.66 - Step 4: Simplify right side
354,581.74x = 98,642,780,750.30 - Step 5: Solve for x
x = 98,642,780,750.30/354,581.74 - Step 6: Final answer
x = 278,194.76
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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.