Finding the Fourth Proportional to 191,283.39, 286,592.58 and 134,236.31
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Solution
The fourth proportional to 191,283.39, 286,592.58 and 134,236.31 is: 201,121.12
Step by Step Solution
- Step 1: Write the proportion equation
191,283.39 : 286,592.58 = 134,236.31 : x - Step 2: Convert to fraction form
191,283.39/286,592.58 = 134,236.31/x - Step 3: Cross multiply
191,283.39x = 286,592.58 × 134,236.31 - Step 4: Simplify right side
191,283.39x = 38,471,128,979.62 - Step 5: Solve for x
x = 38,471,128,979.62/191,283.39 - Step 6: Final answer
x = 201,121.12
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1.5x scale
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.