Finding the Fourth Proportional to 282,523.65, 389,984.99 and 187,061.10
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Solution
The fourth proportional to 282,523.65, 389,984.99 and 187,061.10 is: 258,212.09
Step by Step Solution
- Step 1: Write the proportion equation
282,523.65 : 389,984.99 = 187,061.10 : x - Step 2: Convert to fraction form
282,523.65/389,984.99 = 187,061.10/x - Step 3: Cross multiply
282,523.65x = 389,984.99 × 187,061.10 - Step 4: Simplify right side
282,523.65x = 72,951,020,745.24 - Step 5: Solve for x
x = 72,951,020,745.24/282,523.65 - Step 6: Final answer
x = 258,212.09
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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.