Finding the Fourth Proportional to 187,710.09, 281,440.04 and 97,531.19
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Solution
The fourth proportional to 187,710.09, 281,440.04 and 97,531.19 is: 146,231.79
Step by Step Solution
- Step 1: Write the proportion equation
187,710.09 : 281,440.04 = 97,531.19 : x - Step 2: Convert to fraction form
187,710.09/281,440.04 = 97,531.19/x - Step 3: Cross multiply
187,710.09x = 281,440.04 × 97,531.19 - Step 4: Simplify right side
187,710.09x = 27,449,182,758.49 - Step 5: Solve for x
x = 27,449,182,758.49/187,710.09 - Step 6: Final answer
x = 146,231.79
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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.