Finding the Fourth Proportional to 330,307.20, 495,460.80 and 119,917.80
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Solution
The fourth proportional to 330,307.20, 495,460.80 and 119,917.80 is: 179,876.70
Step by Step Solution
- Step 1: Write the proportion equation
330,307.20 : 495,460.80 = 119,917.80 : x - Step 2: Convert to fraction form
330,307.20/495,460.80 = 119,917.80/x - Step 3: Cross multiply
330,307.20x = 495,460.80 × 119,917.80 - Step 4: Simplify right side
330,307.20x = 59,414,569,122.24 - Step 5: Solve for x
x = 59,414,569,122.24/330,307.20 - Step 6: Final answer
x = 179,876.70
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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.