Finding the Fourth Proportional to 416,787.84, 624,430.08 and 256,584.96
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Solution
The fourth proportional to 416,787.84, 624,430.08 and 256,584.96 is: 384,414.69
Step by Step Solution
- Step 1: Write the proportion equation
416,787.84 : 624,430.08 = 256,584.96 : x - Step 2: Convert to fraction form
416,787.84/624,430.08 = 256,584.96/x - Step 3: Cross multiply
416,787.84x = 624,430.08 × 256,584.96 - Step 4: Simplify right side
416,787.84x = 160,219,367,099.60 - Step 5: Solve for x
x = 160,219,367,099.60/416,787.84 - Step 6: Final answer
x = 384,414.69
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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.