Finding the Fourth Proportional to 148,287.11, 204,652.78 and 84,635.69
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Solution
The fourth proportional to 148,287.11, 204,652.78 and 84,635.69 is: 116,806.70
Step by Step Solution
- Step 1: Write the proportion equation
148,287.11 : 204,652.78 = 84,635.69 : x - Step 2: Convert to fraction form
148,287.11/204,652.78 = 84,635.69/x - Step 3: Cross multiply
148,287.11x = 204,652.78 × 84,635.69 - Step 4: Simplify right side
148,287.11x = 17,320,928,010.87 - Step 5: Solve for x
x = 17,320,928,010.87/148,287.11 - Step 6: Final answer
x = 116,806.70
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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.