Finding the Fourth Proportional to 119,338.94, 164,691.96 and 65,628.02
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Solution
The fourth proportional to 119,338.94, 164,691.96 and 65,628.02 is: 90,568.99
Step by Step Solution
- Step 1: Write the proportion equation
119,338.94 : 164,691.96 = 65,628.02 : x - Step 2: Convert to fraction form
119,338.94/164,691.96 = 65,628.02/x - Step 3: Cross multiply
119,338.94x = 164,691.96 × 65,628.02 - Step 4: Simplify right side
119,338.94x = 10,808,407,244.72 - Step 5: Solve for x
x = 10,808,407,244.72/119,338.94 - Step 6: Final answer
x = 90,568.99
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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.