Finding the Fourth Proportional to 124,847.19, 187,231.91 and 41,721.75
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Solution
The fourth proportional to 124,847.19, 187,231.91 and 41,721.75 is: 62,569.63
Step by Step Solution
- Step 1: Write the proportion equation
124,847.19 : 187,231.91 = 41,721.75 : x - Step 2: Convert to fraction form
124,847.19/187,231.91 = 41,721.75/x - Step 3: Cross multiply
124,847.19x = 187,231.91 × 41,721.75 - Step 4: Simplify right side
124,847.19x = 7,811,642,732.43 - Step 5: Solve for x
x = 7,811,642,732.43/124,847.19 - Step 6: Final answer
x = 62,569.63
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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.