Finding the Fourth Proportional to 187,148.09, 258,270.73 and 102,270.62
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Solution
The fourth proportional to 187,148.09, 258,270.73 and 102,270.62 is: 141,136.93
Step by Step Solution
- Step 1: Write the proportion equation
187,148.09 : 258,270.73 = 102,270.62 : x - Step 2: Convert to fraction form
187,148.09/258,270.73 = 102,270.62/x - Step 3: Cross multiply
187,148.09x = 258,270.73 × 102,270.62 - Step 4: Simplify right side
187,148.09x = 26,413,506,137.92 - Step 5: Solve for x
x = 26,413,506,137.92/187,148.09 - Step 6: Final answer
x = 141,136.93
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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.