Finding the Fourth Proportional to 187,446.16, 258,782.64 and 123,968.08
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Solution
The fourth proportional to 187,446.16, 258,782.64 and 123,968.08 is: 171,146.67
Step by Step Solution
- Step 1: Write the proportion equation
187,446.16 : 258,782.64 = 123,968.08 : x - Step 2: Convert to fraction form
187,446.16/258,782.64 = 123,968.08/x - Step 3: Cross multiply
187,446.16x = 258,782.64 × 123,968.08 - Step 4: Simplify right side
187,446.16x = 32,080,787,018.13 - Step 5: Solve for x
x = 32,080,787,018.13/187,446.16 - Step 6: Final answer
x = 171,146.67
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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.