Finding the Fourth Proportional to 332,138.60, 498,207.90 and 306,477.80
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Solution
The fourth proportional to 332,138.60, 498,207.90 and 306,477.80 is: 459,716.70
Step by Step Solution
- Step 1: Write the proportion equation
332,138.60 : 498,207.90 = 306,477.80 : x - Step 2: Convert to fraction form
332,138.60/498,207.90 = 306,477.80/x - Step 3: Cross multiply
332,138.60x = 498,207.90 × 306,477.80 - Step 4: Simplify right side
332,138.60x = 152,689,661,134.62 - Step 5: Solve for x
x = 152,689,661,134.62/332,138.60 - Step 6: Final answer
x = 459,716.70
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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.