Finding the Fourth Proportional to 332,639.40, 498,959.10 and 95,989.80
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Solution
The fourth proportional to 332,639.40, 498,959.10 and 95,989.80 is: 143,984.70
Step by Step Solution
- Step 1: Write the proportion equation
332,639.40 : 498,959.10 = 95,989.80 : x - Step 2: Convert to fraction form
332,639.40/498,959.10 = 95,989.80/x - Step 3: Cross multiply
332,639.40x = 498,959.10 × 95,989.80 - Step 4: Simplify right side
332,639.40x = 47,894,984,217.18 - Step 5: Solve for x
x = 47,894,984,217.18/332,639.40 - Step 6: Final answer
x = 143,984.70
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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.