Finding the Fourth Proportional to 147,581.14, 203,662.01 and 83,922.84
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Solution
The fourth proportional to 147,581.14, 203,662.01 and 83,922.84 is: 115,813.54
Step by Step Solution
- Step 1: Write the proportion equation
147,581.14 : 203,662.01 = 83,922.84 : x - Step 2: Convert to fraction form
147,581.14/203,662.01 = 83,922.84/x - Step 3: Cross multiply
147,581.14x = 203,662.01 × 83,922.84 - Step 4: Simplify right side
147,581.14x = 17,091,894,279.31 - Step 5: Solve for x
x = 17,091,894,279.31/147,581.14 - Step 6: Final answer
x = 115,813.54
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1.5x scale
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.