Finding the Fourth Proportional to 187,218.14, 258,330.84 and 106,647.24
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Solution
The fourth proportional to 187,218.14, 258,330.84 and 106,647.24 is: 147,155.99
Step by Step Solution
- Step 1: Write the proportion equation
187,218.14 : 258,330.84 = 106,647.24 : x - Step 2: Convert to fraction form
187,218.14/258,330.84 = 106,647.24/x - Step 3: Cross multiply
187,218.14x = 258,330.84 × 106,647.24 - Step 4: Simplify right side
187,218.14x = 27,550,271,092.88 - Step 5: Solve for x
x = 27,550,271,092.88/187,218.14 - Step 6: Final answer
x = 147,155.99
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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.