Finding the Fourth Proportional to 187,620.03, 258,910.63 and 107,046.09
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Solution
The fourth proportional to 187,620.03, 258,910.63 and 107,046.09 is: 147,720.74
Step by Step Solution
- Step 1: Write the proportion equation
187,620.03 : 258,910.63 = 107,046.09 : x - Step 2: Convert to fraction form
187,620.03/258,910.63 = 107,046.09/x - Step 3: Cross multiply
187,620.03x = 258,910.63 × 107,046.09 - Step 4: Simplify right side
187,620.03x = 27,715,370,333.32 - Step 5: Solve for x
x = 27,715,370,333.32/187,620.03 - Step 6: Final answer
x = 147,720.74
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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.