Finding the Fourth Proportional to 122,283.36, 183,442.14 and 115,560.36
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Solution
The fourth proportional to 122,283.36, 183,442.14 and 115,560.36 is: 173,356.70
Step by Step Solution
- Step 1: Write the proportion equation
122,283.36 : 183,442.14 = 115,560.36 : x - Step 2: Convert to fraction form
122,283.36/183,442.14 = 115,560.36/x - Step 3: Cross multiply
122,283.36x = 183,442.14 × 115,560.36 - Step 4: Simplify right side
122,283.36x = 21,198,639,737.57 - Step 5: Solve for x
x = 21,198,639,737.57/122,283.36 - Step 6: Final answer
x = 173,356.70
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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.