Finding the Fourth Proportional to 187,613.19, 258,906.62 and 101,573.08
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Solution
The fourth proportional to 187,613.19, 258,906.62 and 101,573.08 is: 140,171.08
Step by Step Solution
- Step 1: Write the proportion equation
187,613.19 : 258,906.62 = 101,573.08 : x - Step 2: Convert to fraction form
187,613.19/258,906.62 = 101,573.08/x - Step 3: Cross multiply
187,613.19x = 258,906.62 × 101,573.08 - Step 4: Simplify right side
187,613.19x = 26,297,942,825.79 - Step 5: Solve for x
x = 26,297,942,825.79/187,613.19 - Step 6: Final answer
x = 140,171.08
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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.