Finding the Fourth Proportional to 311,563.99, 467,159.14 and 142,873.01
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Solution
The fourth proportional to 311,563.99, 467,159.14 and 142,873.01 is: 214,223.83
Step by Step Solution
- Step 1: Write the proportion equation
311,563.99 : 467,159.14 = 142,873.01 : x - Step 2: Convert to fraction form
311,563.99/467,159.14 = 142,873.01/x - Step 3: Cross multiply
311,563.99x = 467,159.14 × 142,873.01 - Step 4: Simplify right side
311,563.99x = 66,744,432,480.81 - Step 5: Solve for x
x = 66,744,432,480.81/311,563.99 - Step 6: Final answer
x = 214,223.83
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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.