Finding the Fourth Proportional to 187,146.46, 258,268.49 and 102,268.99
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Solution
The fourth proportional to 187,146.46, 258,268.49 and 102,268.99 is: 141,134.69
Step by Step Solution
- Step 1: Write the proportion equation
187,146.46 : 258,268.49 = 102,268.99 : x - Step 2: Convert to fraction form
187,146.46/258,268.49 = 102,268.99/x - Step 3: Cross multiply
187,146.46x = 258,268.49 × 102,268.99 - Step 4: Simplify right side
187,146.46x = 26,412,857,621.13 - Step 5: Solve for x
x = 26,412,857,621.13/187,146.46 - Step 6: Final answer
x = 141,134.69
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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.