Finding the Fourth Proportional to 330,812.20, 495,671.10 and 190,325.80
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Solution
The fourth proportional to 330,812.20, 495,671.10 and 190,325.80 is: 285,173.88
Step by Step Solution
- Step 1: Write the proportion equation
330,812.20 : 495,671.10 = 190,325.80 : x - Step 2: Convert to fraction form
330,812.20/495,671.10 = 190,325.80/x - Step 3: Cross multiply
330,812.20x = 495,671.10 × 190,325.80 - Step 4: Simplify right side
330,812.20x = 94,338,998,644.38 - Step 5: Solve for x
x = 94,338,998,644.38/330,812.20 - Step 6: Final answer
x = 285,173.88
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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.