Finding the Fourth Proportional to 275,841.74, 413,761.99 and 73,437.90
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Solution
The fourth proportional to 275,841.74, 413,761.99 and 73,437.90 is: 110,156.68
Step by Step Solution
- Step 1: Write the proportion equation
275,841.74 : 413,761.99 = 73,437.90 : x - Step 2: Convert to fraction form
275,841.74/413,761.99 = 73,437.90/x - Step 3: Cross multiply
275,841.74x = 413,761.99 × 73,437.90 - Step 4: Simplify right side
275,841.74x = 30,385,811,645.42 - Step 5: Solve for x
x = 30,385,811,645.42/275,841.74 - Step 6: Final answer
x = 110,156.68
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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.