Finding the Fourth Proportional to 187,519.23, 258,770.07 and 106,972.83
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Solution
The fourth proportional to 187,519.23, 258,770.07 and 106,972.83 is: 147,618.82
Step by Step Solution
- Step 1: Write the proportion equation
187,519.23 : 258,770.07 = 106,972.83 : x - Step 2: Convert to fraction form
187,519.23/258,770.07 = 106,972.83/x - Step 3: Cross multiply
187,519.23x = 258,770.07 × 106,972.83 - Step 4: Simplify right side
187,519.23x = 27,681,366,707.20 - Step 5: Solve for x
x = 27,681,366,707.20/187,519.23 - Step 6: Final answer
x = 147,618.82
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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.