Finding the Fourth Proportional to 330,819.53, 495,929.18 and 120,308.63
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Solution
The fourth proportional to 330,819.53, 495,929.18 and 120,308.63 is: 180,353.80
Step by Step Solution
- Step 1: Write the proportion equation
330,819.53 : 495,929.18 = 120,308.63 : x - Step 2: Convert to fraction form
330,819.53/495,929.18 = 120,308.63/x - Step 3: Cross multiply
330,819.53x = 495,929.18 × 120,308.63 - Step 4: Simplify right side
330,819.53x = 59,664,558,043.95 - Step 5: Solve for x
x = 59,664,558,043.95/330,819.53 - Step 6: Final answer
x = 180,353.80
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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.