Finding the Fourth Proportional to 678,251.36, 1,017,470.30 and 251,750.94
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Solution
The fourth proportional to 678,251.36, 1,017,470.30 and 251,750.94 is: 377,661.03
Step by Step Solution
- Step 1: Write the proportion equation
678,251.36 : 1,017,470.30 = 251,750.94 : x - Step 2: Convert to fraction form
678,251.36/1,017,470.30 = 251,750.94/x - Step 3: Cross multiply
678,251.36x = 1,017,470.30 × 251,750.94 - Step 4: Simplify right side
678,251.36x = 256,149,103,188.33 - Step 5: Solve for x
x = 256,149,103,188.33/678,251.36 - Step 6: Final answer
x = 377,661.03
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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.