Finding the Fourth Proportional to 454,471.75, 681,707.63 and 122,047.75
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Solution
The fourth proportional to 454,471.75, 681,707.63 and 122,047.75 is: 183,071.63
Step by Step Solution
- Step 1: Write the proportion equation
454,471.75 : 681,707.63 = 122,047.75 : x - Step 2: Convert to fraction form
454,471.75/681,707.63 = 122,047.75/x - Step 3: Cross multiply
454,471.75x = 681,707.63 × 122,047.75 - Step 4: Simplify right side
454,471.75x = 83,200,882,399.33 - Step 5: Solve for x
x = 83,200,882,399.33/454,471.75 - Step 6: Final answer
x = 183,071.63
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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.