Finding the Fourth Proportional to 116,283.80, 160,471.68 and 65,289.44
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Solution
The fourth proportional to 116,283.80, 160,471.68 and 65,289.44 is: 90,099.45
Step by Step Solution
- Step 1: Write the proportion equation
116,283.80 : 160,471.68 = 65,289.44 : x - Step 2: Convert to fraction form
116,283.80/160,471.68 = 65,289.44/x - Step 3: Cross multiply
116,283.80x = 160,471.68 × 65,289.44 - Step 4: Simplify right side
116,283.80x = 10,477,106,123.06 - Step 5: Solve for x
x = 10,477,106,123.06/116,283.80 - Step 6: Final answer
x = 90,099.45
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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.