Finding the Fourth Proportional to 187,209.49, 281,063.36 and 98,525.28
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Solution
The fourth proportional to 187,209.49, 281,063.36 and 98,525.28 is: 147,919.02
Step by Step Solution
- Step 1: Write the proportion equation
187,209.49 : 281,063.36 = 98,525.28 : x - Step 2: Convert to fraction form
187,209.49/281,063.36 = 98,525.28/x - Step 3: Cross multiply
187,209.49x = 281,063.36 × 98,525.28 - Step 4: Simplify right side
187,209.49x = 27,691,844,343.80 - Step 5: Solve for x
x = 27,691,844,343.80/187,209.49 - Step 6: Final answer
x = 147,919.02
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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.