Finding the Fourth Proportional to 160,799.60, 221,916.73 and 89,202.70
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Solution
The fourth proportional to 160,799.60, 221,916.73 and 89,202.70 is: 123,107.09
Step by Step Solution
- Step 1: Write the proportion equation
160,799.60 : 221,916.73 = 89,202.70 : x - Step 2: Convert to fraction form
160,799.60/221,916.73 = 89,202.70/x - Step 3: Cross multiply
160,799.60x = 221,916.73 × 89,202.70 - Step 4: Simplify right side
160,799.60x = 19,795,571,491.17 - Step 5: Solve for x
x = 19,795,571,491.17/160,799.60 - Step 6: Final answer
x = 123,107.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.