Finding the Fourth Proportional to 203,564.07, 305,257.01 and 83,538.68
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Solution
The fourth proportional to 203,564.07, 305,257.01 and 83,538.68 is: 125,271.45
Step by Step Solution
- Step 1: Write the proportion equation
203,564.07 : 305,257.01 = 83,538.68 : x - Step 2: Convert to fraction form
203,564.07/305,257.01 = 83,538.68/x - Step 3: Cross multiply
203,564.07x = 305,257.01 × 83,538.68 - Step 4: Simplify right side
203,564.07x = 25,500,765,732.17 - Step 5: Solve for x
x = 25,500,765,732.17/203,564.07 - Step 6: Final answer
x = 125,271.45
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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.