Finding the Fourth Proportional to 186,846.48, 257,853.84 and 106,285.68
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Solution
The fourth proportional to 186,846.48, 257,853.84 and 106,285.68 is: 146,677.48
Step by Step Solution
- Step 1: Write the proportion equation
186,846.48 : 257,853.84 = 106,285.68 : x - Step 2: Convert to fraction form
186,846.48/257,853.84 = 106,285.68/x - Step 3: Cross multiply
186,846.48x = 257,853.84 × 106,285.68 - Step 4: Simplify right side
186,846.48x = 27,406,170,725.01 - Step 5: Solve for x
x = 27,406,170,725.01/186,846.48 - Step 6: Final answer
x = 146,677.48
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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.