Finding the Fourth Proportional to 187,599.06, 281,296.52 and 67,639.68
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Solution
The fourth proportional to 187,599.06, 281,296.52 and 67,639.68 is: 101,422.72
Step by Step Solution
- Step 1: Write the proportion equation
187,599.06 : 281,296.52 = 67,639.68 : x - Step 2: Convert to fraction form
187,599.06/281,296.52 = 67,639.68/x - Step 3: Cross multiply
187,599.06x = 281,296.52 × 67,639.68 - Step 4: Simplify right side
187,599.06x = 19,026,806,597.91 - Step 5: Solve for x
x = 19,026,806,597.91/187,599.06 - Step 6: Final answer
x = 101,422.72
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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.