Finding the Fourth Proportional to 127,035.24, 190,418.46 and 42,715.08
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Solution
The fourth proportional to 127,035.24, 190,418.46 and 42,715.08 is: 64,027.43
Step by Step Solution
- Step 1: Write the proportion equation
127,035.24 : 190,418.46 = 42,715.08 : x - Step 2: Convert to fraction form
127,035.24/190,418.46 = 42,715.08/x - Step 3: Cross multiply
127,035.24x = 190,418.46 × 42,715.08 - Step 4: Simplify right side
127,035.24x = 8,133,739,752.38 - Step 5: Solve for x
x = 8,133,739,752.38/127,035.24 - Step 6: Final answer
x = 64,027.43
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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.