Finding the Fourth Proportional to 171,577.80, 257,400.72 and 53,244.09
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Solution
The fourth proportional to 171,577.80, 257,400.72 and 53,244.09 is: 79,876.69
Step by Step Solution
- Step 1: Write the proportion equation
171,577.80 : 257,400.72 = 53,244.09 : x - Step 2: Convert to fraction form
171,577.80/257,400.72 = 53,244.09/x - Step 3: Cross multiply
171,577.80x = 257,400.72 × 53,244.09 - Step 4: Simplify right side
171,577.80x = 13,705,067,101.74 - Step 5: Solve for x
x = 13,705,067,101.74/171,577.80 - Step 6: Final answer
x = 79,876.69
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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.