Finding the Fourth Proportional to 314,787.09, 434,282.87 and 193,718.19
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Solution
The fourth proportional to 314,787.09, 434,282.87 and 193,718.19 is: 267,255.21
Step by Step Solution
- Step 1: Write the proportion equation
314,787.09 : 434,282.87 = 193,718.19 : x - Step 2: Convert to fraction form
314,787.09/434,282.87 = 193,718.19/x - Step 3: Cross multiply
314,787.09x = 434,282.87 × 193,718.19 - Step 4: Simplify right side
314,787.09x = 84,128,491,286.22 - Step 5: Solve for x
x = 84,128,491,286.22/314,787.09 - Step 6: Final answer
x = 267,255.21
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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.