Finding the Fourth Proportional to 146,445.42, 219,871.36 and 75,418.75
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Solution
The fourth proportional to 146,445.42, 219,871.36 and 75,418.75 is: 113,232.78
Step by Step Solution
- Step 1: Write the proportion equation
146,445.42 : 219,871.36 = 75,418.75 : x - Step 2: Convert to fraction form
146,445.42/219,871.36 = 75,418.75/x - Step 3: Cross multiply
146,445.42x = 219,871.36 × 75,418.75 - Step 4: Simplify right side
146,445.42x = 16,582,422,264.34 - Step 5: Solve for x
x = 16,582,422,264.34/146,445.42 - Step 6: Final answer
x = 113,232.78
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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.