Finding the Fourth Proportional to 350,915.28, 484,267.98 and 197,960.55
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Solution
The fourth proportional to 350,915.28, 484,267.98 and 197,960.55 is: 273,188.32
Step by Step Solution
- Step 1: Write the proportion equation
350,915.28 : 484,267.98 = 197,960.55 : x - Step 2: Convert to fraction form
350,915.28/484,267.98 = 197,960.55/x - Step 3: Cross multiply
350,915.28x = 484,267.98 × 197,960.55 - Step 4: Simplify right side
350,915.28x = 95,865,955,668.19 - Step 5: Solve for x
x = 95,865,955,668.19/350,915.28 - Step 6: Final answer
x = 273,188.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.