Finding the Fourth Proportional to 201,935.48, 278,672.10 and 117,102.92
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Solution
The fourth proportional to 201,935.48, 278,672.10 and 117,102.92 is: 161,602.69
Step by Step Solution
- Step 1: Write the proportion equation
201,935.48 : 278,672.10 = 117,102.92 : x - Step 2: Convert to fraction form
201,935.48/278,672.10 = 117,102.92/x - Step 3: Cross multiply
201,935.48x = 278,672.10 × 117,102.92 - Step 4: Simplify right side
201,935.48x = 32,633,316,632.53 - Step 5: Solve for x
x = 32,633,316,632.53/201,935.48 - Step 6: Final answer
x = 161,602.69
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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.