Finding the Fourth Proportional to 187,161.57, 258,253.11 and 106,590.60
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Solution
The fourth proportional to 187,161.57, 258,253.11 and 106,590.60 is: 147,078.02
Step by Step Solution
- Step 1: Write the proportion equation
187,161.57 : 258,253.11 = 106,590.60 : x - Step 2: Convert to fraction form
187,161.57/258,253.11 = 106,590.60/x - Step 3: Cross multiply
187,161.57x = 258,253.11 × 106,590.60 - Step 4: Simplify right side
187,161.57x = 27,527,353,946.77 - Step 5: Solve for x
x = 27,527,353,946.77/187,161.57 - Step 6: Final answer
x = 147,078.02
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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.