Finding the Fourth Proportional to 275,809.23, 413,737.61 and 76,129.65
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Solution
The fourth proportional to 275,809.23, 413,737.61 and 76,129.65 is: 114,201.03
Step by Step Solution
- Step 1: Write the proportion equation
275,809.23 : 413,737.61 = 76,129.65 : x - Step 2: Convert to fraction form
275,809.23/413,737.61 = 76,129.65/x - Step 3: Cross multiply
275,809.23x = 413,737.61 × 76,129.65 - Step 4: Simplify right side
275,809.23x = 31,497,699,060.49 - Step 5: Solve for x
x = 31,497,699,060.49/275,809.23 - Step 6: Final answer
x = 114,201.03
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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.