Finding the Fourth Proportional to 187,179.48, 258,353.57 and 106,654.44
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Solution
The fourth proportional to 187,179.48, 258,353.57 and 106,654.44 is: 147,209.28
Step by Step Solution
- Step 1: Write the proportion equation
187,179.48 : 258,353.57 = 106,654.44 : x - Step 2: Convert to fraction form
187,179.48/258,353.57 = 106,654.44/x - Step 3: Cross multiply
187,179.48x = 258,353.57 × 106,654.44 - Step 4: Simplify right side
187,179.48x = 27,554,555,596.99 - Step 5: Solve for x
x = 27,554,555,596.99/187,179.48 - Step 6: Final answer
x = 147,209.28
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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.