Finding the Fourth Proportional to 122,153.24, 183,195.84 and 43,246.28
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Solution
The fourth proportional to 122,153.24, 183,195.84 and 43,246.28 is: 64,857.38
Step by Step Solution
- Step 1: Write the proportion equation
122,153.24 : 183,195.84 = 43,246.28 : x - Step 2: Convert to fraction form
122,153.24/183,195.84 = 43,246.28/x - Step 3: Cross multiply
122,153.24x = 183,195.84 × 43,246.28 - Step 4: Simplify right side
122,153.24x = 7,922,538,591.48 - Step 5: Solve for x
x = 7,922,538,591.48/122,153.24 - Step 6: Final answer
x = 64,857.38
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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.