Finding the Fourth Proportional to 171,612.29, 257,415.68 and 53,283.75
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Solution
The fourth proportional to 171,612.29, 257,415.68 and 53,283.75 is: 79,924.76
Step by Step Solution
- Step 1: Write the proportion equation
171,612.29 : 257,415.68 = 53,283.75 : x - Step 2: Convert to fraction form
171,612.29/257,415.68 = 53,283.75/x - Step 3: Cross multiply
171,612.29x = 257,415.68 × 53,283.75 - Step 4: Simplify right side
171,612.29x = 13,716,071,185.70 - Step 5: Solve for x
x = 13,716,071,185.70/171,612.29 - Step 6: Final answer
x = 79,924.76
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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.