Finding the Fourth Proportional to 221,746.11, 332,614.46 and 71,986.19
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Solution
The fourth proportional to 221,746.11, 332,614.46 and 71,986.19 is: 107,977.75
Step by Step Solution
- Step 1: Write the proportion equation
221,746.11 : 332,614.46 = 71,986.19 : x - Step 2: Convert to fraction form
221,746.11/332,614.46 = 71,986.19/x - Step 3: Cross multiply
221,746.11x = 332,614.46 × 71,986.19 - Step 4: Simplify right side
221,746.11x = 23,943,645,691.30 - Step 5: Solve for x
x = 23,943,645,691.30/221,746.11 - Step 6: Final answer
x = 107,977.75
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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.