Finding the Fourth Proportional to 122,205.28, 183,304.56 and 39,098.08
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Solution
The fourth proportional to 122,205.28, 183,304.56 and 39,098.08 is: 58,646.05
Step by Step Solution
- Step 1: Write the proportion equation
122,205.28 : 183,304.56 = 39,098.08 : x - Step 2: Convert to fraction form
122,205.28/183,304.56 = 39,098.08/x - Step 3: Cross multiply
122,205.28x = 183,304.56 × 39,098.08 - Step 4: Simplify right side
122,205.28x = 7,166,856,351.24 - Step 5: Solve for x
x = 7,166,856,351.24/122,205.28 - Step 6: Final answer
x = 58,646.05
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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.