Finding the Fourth Proportional to 171,532.79, 257,286.81 and 53,201.06
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Solution
The fourth proportional to 171,532.79, 257,286.81 and 53,201.06 is: 79,797.75
Step by Step Solution
- Step 1: Write the proportion equation
171,532.79 : 257,286.81 = 53,201.06 : x - Step 2: Convert to fraction form
171,532.79/257,286.81 = 53,201.06/x - Step 3: Cross multiply
171,532.79x = 257,286.81 × 53,201.06 - Step 4: Simplify right side
171,532.79x = 13,687,929,729.58 - Step 5: Solve for x
x = 13,687,929,729.58/171,532.79 - Step 6: Final answer
x = 79,797.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.