Finding the Fourth Proportional to 332,118.45, 498,177.68 and 309,811.05
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Solution
The fourth proportional to 332,118.45, 498,177.68 and 309,811.05 is: 464,716.58
Step by Step Solution
- Step 1: Write the proportion equation
332,118.45 : 498,177.68 = 309,811.05 : x - Step 2: Convert to fraction form
332,118.45/498,177.68 = 309,811.05/x - Step 3: Cross multiply
332,118.45x = 498,177.68 × 309,811.05 - Step 4: Simplify right side
332,118.45x = 154,340,948,578.31 - Step 5: Solve for x
x = 154,340,948,578.31/332,118.45 - Step 6: Final answer
x = 464,716.58
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1.5x scale
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.