Finding the Fourth Proportional to 190,939.80, 263,437.62 and 110,337.96
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Solution
The fourth proportional to 190,939.80, 263,437.62 and 110,337.96 is: 152,232.11
Step by Step Solution
- Step 1: Write the proportion equation
190,939.80 : 263,437.62 = 110,337.96 : x - Step 2: Convert to fraction form
190,939.80/263,437.62 = 110,337.96/x - Step 3: Cross multiply
190,939.80x = 263,437.62 × 110,337.96 - Step 4: Simplify right side
190,939.80x = 29,067,169,578.06 - Step 5: Solve for x
x = 29,067,169,578.06/190,939.80 - Step 6: Final answer
x = 152,232.11
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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.