Finding the Fourth Proportional to 175,641.92, 263,471.36 and 57,313.12
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Solution
The fourth proportional to 175,641.92, 263,471.36 and 57,313.12 is: 85,972.45
Step by Step Solution
- Step 1: Write the proportion equation
175,641.92 : 263,471.36 = 57,313.12 : x - Step 2: Convert to fraction form
175,641.92/263,471.36 = 57,313.12/x - Step 3: Cross multiply
175,641.92x = 263,471.36 × 57,313.12 - Step 4: Simplify right side
175,641.92x = 15,100,365,672.24 - Step 5: Solve for x
x = 15,100,365,672.24/175,641.92 - Step 6: Final answer
x = 85,972.45
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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.