Finding the Fourth Proportional to 127,253.83, 190,838.36 and 51,332.75
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Solution
The fourth proportional to 127,253.83, 190,838.36 and 51,332.75 is: 76,982.03
Step by Step Solution
- Step 1: Write the proportion equation
127,253.83 : 190,838.36 = 51,332.75 : x - Step 2: Convert to fraction form
127,253.83/190,838.36 = 51,332.75/x - Step 3: Cross multiply
127,253.83x = 190,838.36 × 51,332.75 - Step 4: Simplify right side
127,253.83x = 9,796,257,567.63 - Step 5: Solve for x
x = 9,796,257,567.63/127,253.83 - Step 6: Final answer
x = 76,982.03
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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.