Finding the Fourth Proportional to 122,472.14, 183,729.74 and 55,919.00
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Solution
The fourth proportional to 122,472.14, 183,729.74 and 55,919.00 is: 83,888.32
Step by Step Solution
- Step 1: Write the proportion equation
122,472.14 : 183,729.74 = 55,919.00 : x - Step 2: Convert to fraction form
122,472.14/183,729.74 = 55,919.00/x - Step 3: Cross multiply
122,472.14x = 183,729.74 × 55,919.00 - Step 4: Simplify right side
122,472.14x = 10,273,982,132.82 - Step 5: Solve for x
x = 10,273,982,132.82/122,472.14 - Step 6: Final answer
x = 83,888.32
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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.