Finding the Fourth Proportional to 157,663.92, 217,536.84 and 101,151.84
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Solution
The fourth proportional to 157,663.92, 217,536.84 and 101,151.84 is: 139,564.28
Step by Step Solution
- Step 1: Write the proportion equation
157,663.92 : 217,536.84 = 101,151.84 : x - Step 2: Convert to fraction form
157,663.92/217,536.84 = 101,151.84/x - Step 3: Cross multiply
157,663.92x = 217,536.84 × 101,151.84 - Step 4: Simplify right side
157,663.92x = 22,004,251,633.79 - Step 5: Solve for x
x = 22,004,251,633.79/157,663.92 - Step 6: Final answer
x = 139,564.28
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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.