Finding the Fourth Proportional to 187,433.28, 258,651.49 and 106,886.73
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Solution
The fourth proportional to 187,433.28, 258,651.49 and 106,886.73 is: 147,500.02
Step by Step Solution
- Step 1: Write the proportion equation
187,433.28 : 258,651.49 = 106,886.73 : x - Step 2: Convert to fraction form
187,433.28/258,651.49 = 106,886.73/x - Step 3: Cross multiply
187,433.28x = 258,651.49 × 106,886.73 - Step 4: Simplify right side
187,433.28x = 27,646,411,975.73 - Step 5: Solve for x
x = 27,646,411,975.73/187,433.28 - Step 6: Final answer
x = 147,500.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.