Finding the Fourth Proportional to 327,712.42, 491,568.40 and 91,054.99
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Solution
The fourth proportional to 327,712.42, 491,568.40 and 91,054.99 is: 136,582.42
Step by Step Solution
- Step 1: Write the proportion equation
327,712.42 : 491,568.40 = 91,054.99 : x - Step 2: Convert to fraction form
327,712.42/491,568.40 = 91,054.99/x - Step 3: Cross multiply
327,712.42x = 491,568.40 × 91,054.99 - Step 4: Simplify right side
327,712.42x = 44,759,755,746.32 - Step 5: Solve for x
x = 44,759,755,746.32/327,712.42 - Step 6: Final answer
x = 136,582.42
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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.