Finding the Fourth Proportional to 187,812.18, 281,718.76 and 54,695.70
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Solution
The fourth proportional to 187,812.18, 281,718.76 and 54,695.70 is: 82,043.69
Step by Step Solution
- Step 1: Write the proportion equation
187,812.18 : 281,718.76 = 54,695.70 : x - Step 2: Convert to fraction form
187,812.18/281,718.76 = 54,695.70/x - Step 3: Cross multiply
187,812.18x = 281,718.76 × 54,695.70 - Step 4: Simplify right side
187,812.18x = 15,408,804,781.33 - Step 5: Solve for x
x = 15,408,804,781.33/187,812.18 - Step 6: Final answer
x = 82,043.69
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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.