Finding the Fourth Proportional to 190,248.97, 285,375.86 and 57,121.49
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Solution
The fourth proportional to 190,248.97, 285,375.86 and 57,121.49 is: 85,682.96
Step by Step Solution
- Step 1: Write the proportion equation
190,248.97 : 285,375.86 = 57,121.49 : x - Step 2: Convert to fraction form
190,248.97/285,375.86 = 57,121.49/x - Step 3: Cross multiply
190,248.97x = 285,375.86 × 57,121.49 - Step 4: Simplify right side
190,248.97x = 16,301,094,333.23 - Step 5: Solve for x
x = 16,301,094,333.23/190,248.97 - Step 6: Final answer
x = 85,682.96
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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.