Finding the Fourth Proportional to 171,704.40, 257,532.30 and 53,387.70
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Solution
The fourth proportional to 171,704.40, 257,532.30 and 53,387.70 is: 80,073.99
Step by Step Solution
- Step 1: Write the proportion equation
171,704.40 : 257,532.30 = 53,387.70 : x - Step 2: Convert to fraction form
171,704.40/257,532.30 = 53,387.70/x - Step 3: Cross multiply
171,704.40x = 257,532.30 × 53,387.70 - Step 4: Simplify right side
171,704.40x = 13,749,057,172.71 - Step 5: Solve for x
x = 13,749,057,172.71/171,704.40 - Step 6: Final answer
x = 80,073.99
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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.