Finding the Fourth Proportional to 327,495.84, 491,243.73 and 90,838.53
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Solution
The fourth proportional to 327,495.84, 491,243.73 and 90,838.53 is: 136,257.79
Step by Step Solution
- Step 1: Write the proportion equation
327,495.84 : 491,243.73 = 90,838.53 : x - Step 2: Convert to fraction form
327,495.84/491,243.73 = 90,838.53/x - Step 3: Cross multiply
327,495.84x = 491,243.73 × 90,838.53 - Step 4: Simplify right side
327,495.84x = 44,623,858,304.92 - Step 5: Solve for x
x = 44,623,858,304.92/327,495.84 - Step 6: Final answer
x = 136,257.79
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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.