Finding the Fourth Proportional to 186,708.80, 257,647.88 and 106,125.12
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Solution
The fourth proportional to 186,708.80, 257,647.88 and 106,125.12 is: 146,446.83
Step by Step Solution
- Step 1: Write the proportion equation
186,708.80 : 257,647.88 = 106,125.12 : x - Step 2: Convert to fraction form
186,708.80/257,647.88 = 106,125.12/x - Step 3: Cross multiply
186,708.80x = 257,647.88 × 106,125.12 - Step 4: Simplify right side
186,708.80x = 27,342,912,182.75 - Step 5: Solve for x
x = 27,342,912,182.75/186,708.80 - Step 6: Final answer
x = 146,446.83
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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.