Finding the Fourth Proportional to 324,865.20, 448,432.69 and 195,808.28
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Solution
The fourth proportional to 324,865.20, 448,432.69 and 195,808.28 is: 270,286.98
Step by Step Solution
- Step 1: Write the proportion equation
324,865.20 : 448,432.69 = 195,808.28 : x - Step 2: Convert to fraction form
324,865.20/448,432.69 = 195,808.28/x - Step 3: Cross multiply
324,865.20x = 448,432.69 × 195,808.28 - Step 4: Simplify right side
324,865.20x = 87,806,834,356.23 - Step 5: Solve for x
x = 87,806,834,356.23/324,865.20 - Step 6: Final answer
x = 270,286.98
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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.