Finding the Fourth Proportional to 160,403.79, 240,446.91 and 76,014.75
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Solution
The fourth proportional to 160,403.79, 240,446.91 and 76,014.75 is: 113,946.88
Step by Step Solution
- Step 1: Write the proportion equation
160,403.79 : 240,446.91 = 76,014.75 : x - Step 2: Convert to fraction form
160,403.79/240,446.91 = 76,014.75/x - Step 3: Cross multiply
160,403.79x = 240,446.91 × 76,014.75 - Step 4: Simplify right side
160,403.79x = 18,277,511,751.92 - Step 5: Solve for x
x = 18,277,511,751.92/160,403.79 - Step 6: Final answer
x = 113,946.88
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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.