Finding the Fourth Proportional to 171,232.79, 236,197.92 and 113,089.87
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Solution
The fourth proportional to 171,232.79, 236,197.92 and 113,089.87 is: 155,995.79
Step by Step Solution
- Step 1: Write the proportion equation
171,232.79 : 236,197.92 = 113,089.87 : x - Step 2: Convert to fraction form
171,232.79/236,197.92 = 113,089.87/x - Step 3: Cross multiply
171,232.79x = 236,197.92 × 113,089.87 - Step 4: Simplify right side
171,232.79x = 26,711,592,786.40 - Step 5: Solve for x
x = 26,711,592,786.40/171,232.79 - Step 6: Final answer
x = 155,995.79
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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.