Finding the Fourth Proportional to 317,325.20, 475,974.30 and 106,962.80
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Solution
The fourth proportional to 317,325.20, 475,974.30 and 106,962.80 is: 160,439.65
Step by Step Solution
- Step 1: Write the proportion equation
317,325.20 : 475,974.30 = 106,962.80 : x - Step 2: Convert to fraction form
317,325.20/475,974.30 = 106,962.80/x - Step 3: Cross multiply
317,325.20x = 475,974.30 × 106,962.80 - Step 4: Simplify right side
317,325.20x = 50,911,543,856.04 - Step 5: Solve for x
x = 50,911,543,856.04/317,325.20 - Step 6: Final answer
x = 160,439.65
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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.