Finding the Fourth Proportional to 330,112.30, 495,352.42 and 178,306.31
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Solution
The fourth proportional to 330,112.30, 495,352.42 and 178,306.31 is: 267,558.84
Step by Step Solution
- Step 1: Write the proportion equation
330,112.30 : 495,352.42 = 178,306.31 : x - Step 2: Convert to fraction form
330,112.30/495,352.42 = 178,306.31/x - Step 3: Cross multiply
330,112.30x = 495,352.42 × 178,306.31 - Step 4: Simplify right side
330,112.30x = 88,324,461,268.24 - Step 5: Solve for x
x = 88,324,461,268.24/330,112.30 - Step 6: Final answer
x = 267,558.84
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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.