Finding the Fourth Proportional to 187,616.86, 258,908.68 and 102,733.92
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Solution
The fourth proportional to 187,616.86, 258,908.68 and 102,733.92 is: 141,771.39
Step by Step Solution
- Step 1: Write the proportion equation
187,616.86 : 258,908.68 = 102,733.92 : x - Step 2: Convert to fraction form
187,616.86/258,908.68 = 102,733.92/x - Step 3: Cross multiply
187,616.86x = 258,908.68 × 102,733.92 - Step 4: Simplify right side
187,616.86x = 26,598,703,618.43 - Step 5: Solve for x
x = 26,598,703,618.43/187,616.86 - Step 6: Final answer
x = 141,771.39
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1.5x scale
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.