Finding the Fourth Proportional to 218,471.99, 327,707.98 and 124,912.13
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Solution
The fourth proportional to 218,471.99, 327,707.98 and 124,912.13 is: 187,368.19
Step by Step Solution
- Step 1: Write the proportion equation
218,471.99 : 327,707.98 = 124,912.13 : x - Step 2: Convert to fraction form
218,471.99/327,707.98 = 124,912.13/x - Step 3: Cross multiply
218,471.99x = 327,707.98 × 124,912.13 - Step 4: Simplify right side
218,471.99x = 40,934,699,848.98 - Step 5: Solve for x
x = 40,934,699,848.98/218,471.99 - Step 6: Final answer
x = 187,368.19
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1.5x scale
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.