Finding the Fourth Proportional to 147,580.14, 203,660.63 and 83,921.84
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Solution
The fourth proportional to 147,580.14, 203,660.63 and 83,921.84 is: 115,812.15
Step by Step Solution
- Step 1: Write the proportion equation
147,580.14 : 203,660.63 = 83,921.84 : x - Step 2: Convert to fraction form
147,580.14/203,660.63 = 83,921.84/x - Step 3: Cross multiply
147,580.14x = 203,660.63 × 83,921.84 - Step 4: Simplify right side
147,580.14x = 17,091,573,367.25 - Step 5: Solve for x
x = 17,091,573,367.25/147,580.14 - Step 6: Final answer
x = 115,812.15
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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.