Finding the Fourth Proportional to 366,821.70, 550,232.55 and 209,357.70
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Solution
The fourth proportional to 366,821.70, 550,232.55 and 209,357.70 is: 314,036.55
Step by Step Solution
- Step 1: Write the proportion equation
366,821.70 : 550,232.55 = 209,357.70 : x - Step 2: Convert to fraction form
366,821.70/550,232.55 = 209,357.70/x - Step 3: Cross multiply
366,821.70x = 550,232.55 × 209,357.70 - Step 4: Simplify right side
366,821.70x = 115,195,421,133.14 - Step 5: Solve for x
x = 115,195,421,133.14/366,821.70 - Step 6: Final answer
x = 314,036.55
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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.