Finding the Fourth Proportional to 187,830.18, 281,737.98 and 75,476.70
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Solution
The fourth proportional to 187,830.18, 281,737.98 and 75,476.70 is: 113,212.12
Step by Step Solution
- Step 1: Write the proportion equation
187,830.18 : 281,737.98 = 75,476.70 : x - Step 2: Convert to fraction form
187,830.18/281,737.98 = 75,476.70/x - Step 3: Cross multiply
187,830.18x = 281,737.98 × 75,476.70 - Step 4: Simplify right side
187,830.18x = 21,264,652,995.07 - Step 5: Solve for x
x = 21,264,652,995.07/187,830.18 - Step 6: Final answer
x = 113,212.12
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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.