Finding the Fourth Proportional to 203,635.76, 305,454.65 and 83,758.08
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Solution
The fourth proportional to 203,635.76, 305,454.65 and 83,758.08 is: 125,637.54
Step by Step Solution
- Step 1: Write the proportion equation
203,635.76 : 305,454.65 = 83,758.08 : x - Step 2: Convert to fraction form
203,635.76/305,454.65 = 83,758.08/x - Step 3: Cross multiply
203,635.76x = 305,454.65 × 83,758.08 - Step 4: Simplify right side
203,635.76x = 25,584,295,011.07 - Step 5: Solve for x
x = 25,584,295,011.07/203,635.76 - Step 6: Final answer
x = 125,637.54
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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.