Finding the Fourth Proportional to 330,057.87, 495,007.43 and 152,394.09
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Solution
The fourth proportional to 330,057.87, 495,007.43 and 152,394.09 is: 228,554.48
Step by Step Solution
- Step 1: Write the proportion equation
330,057.87 : 495,007.43 = 152,394.09 : x - Step 2: Convert to fraction form
330,057.87/495,007.43 = 152,394.09/x - Step 3: Cross multiply
330,057.87x = 495,007.43 × 152,394.09 - Step 4: Simplify right side
330,057.87x = 75,436,206,076.12 - Step 5: Solve for x
x = 75,436,206,076.12/330,057.87 - Step 6: Final answer
x = 228,554.48
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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.