Finding the Fourth Proportional to 187,402.70, 281,104.04 and 54,282.99
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Solution
The fourth proportional to 187,402.70, 281,104.04 and 54,282.99 is: 81,424.48
Step by Step Solution
- Step 1: Write the proportion equation
187,402.70 : 281,104.04 = 54,282.99 : x - Step 2: Convert to fraction form
187,402.70/281,104.04 = 54,282.99/x - Step 3: Cross multiply
187,402.70x = 281,104.04 × 54,282.99 - Step 4: Simplify right side
187,402.70x = 15,259,167,520.86 - Step 5: Solve for x
x = 15,259,167,520.86/187,402.70 - Step 6: Final answer
x = 81,424.48
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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.