Finding the Fourth Proportional to 187,832.18, 281,740.98 and 75,478.70
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Solution
The fourth proportional to 187,832.18, 281,740.98 and 75,478.70 is: 113,215.12
Step by Step Solution
- Step 1: Write the proportion equation
187,832.18 : 281,740.98 = 75,478.70 : x - Step 2: Convert to fraction form
187,832.18/281,740.98 = 75,478.70/x - Step 3: Cross multiply
187,832.18x = 281,740.98 × 75,478.70 - Step 4: Simplify right side
187,832.18x = 21,265,442,907.13 - Step 5: Solve for x
x = 21,265,442,907.13/187,832.18 - Step 6: Final answer
x = 113,215.12
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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.