Finding the Fourth Proportional to 416,773.82, 625,923.39 and 381,639.62
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Solution
The fourth proportional to 416,773.82, 625,923.39 and 381,639.62 is: 573,157.80
Step by Step Solution
- Step 1: Write the proportion equation
416,773.82 : 625,923.39 = 381,639.62 : x - Step 2: Convert to fraction form
416,773.82/625,923.39 = 381,639.62/x - Step 3: Cross multiply
416,773.82x = 625,923.39 × 381,639.62 - Step 4: Simplify right side
416,773.82x = 238,877,164,708.71 - Step 5: Solve for x
x = 238,877,164,708.71/416,773.82 - Step 6: Final answer
x = 573,157.80
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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.