Finding the Fourth Proportional to 297,945.70, 446,918.55 and 276,075.70
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Solution
The fourth proportional to 297,945.70, 446,918.55 and 276,075.70 is: 414,113.55
Step by Step Solution
- Step 1: Write the proportion equation
297,945.70 : 446,918.55 = 276,075.70 : x - Step 2: Convert to fraction form
297,945.70/446,918.55 = 276,075.70/x - Step 3: Cross multiply
297,945.70x = 446,918.55 × 276,075.70 - Step 4: Simplify right side
297,945.70x = 123,383,351,534.24 - Step 5: Solve for x
x = 123,383,351,534.24/297,945.70 - Step 6: Final answer
x = 414,113.55
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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.