Finding the Fourth Proportional to 122,251.25, 183,330.81 and 51,178.80
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Solution
The fourth proportional to 122,251.25, 183,330.81 and 51,178.80 is: 76,748.92
Step by Step Solution
- Step 1: Write the proportion equation
122,251.25 : 183,330.81 = 51,178.80 : x - Step 2: Convert to fraction form
122,251.25/183,330.81 = 51,178.80/x - Step 3: Cross multiply
122,251.25x = 183,330.81 × 51,178.80 - Step 4: Simplify right side
122,251.25x = 9,382,650,858.83 - Step 5: Solve for x
x = 9,382,650,858.83/122,251.25 - Step 6: Final answer
x = 76,748.92
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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.