Finding the Fourth Proportional to 187,412.05, 281,117.85 and 61,052.09
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Solution
The fourth proportional to 187,412.05, 281,117.85 and 61,052.09 is: 91,578.06
Step by Step Solution
- Step 1: Write the proportion equation
187,412.05 : 281,117.85 = 61,052.09 : x - Step 2: Convert to fraction form
187,412.05/281,117.85 = 61,052.09/x - Step 3: Cross multiply
187,412.05x = 281,117.85 × 61,052.09 - Step 4: Simplify right side
187,412.05x = 17,162,832,278.81 - Step 5: Solve for x
x = 17,162,832,278.81/187,412.05 - Step 6: Final answer
x = 91,578.06
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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.