Finding the Fourth Proportional to 244,657.70, 366,986.55 and 211,415.30
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Solution
The fourth proportional to 244,657.70, 366,986.55 and 211,415.30 is: 317,122.95
Step by Step Solution
- Step 1: Write the proportion equation
244,657.70 : 366,986.55 = 211,415.30 : x - Step 2: Convert to fraction form
244,657.70/366,986.55 = 211,415.30/x - Step 3: Cross multiply
244,657.70x = 366,986.55 × 211,415.30 - Step 4: Simplify right side
244,657.70x = 77,586,571,564.22 - Step 5: Solve for x
x = 77,586,571,564.22/244,657.70 - Step 6: Final answer
x = 317,122.95
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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.