Finding the Fourth Proportional to 396,247.48, 546,410.41 and 339,075.99
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Solution
The fourth proportional to 396,247.48, 546,410.41 and 339,075.99 is: 467,573.07
Step by Step Solution
- Step 1: Write the proportion equation
396,247.48 : 546,410.41 = 339,075.99 : x - Step 2: Convert to fraction form
396,247.48/546,410.41 = 339,075.99/x - Step 3: Cross multiply
396,247.48x = 546,410.41 × 339,075.99 - Step 4: Simplify right side
396,247.48x = 185,274,649,869.37 - Step 5: Solve for x
x = 185,274,649,869.37/396,247.48 - Step 6: Final answer
x = 467,573.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.