Finding the Fourth Proportional to 669,075.67, 923,299.68 and 363,145.49
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Solution
The fourth proportional to 669,075.67, 923,299.68 and 363,145.49 is: 501,127.35
Step by Step Solution
- Step 1: Write the proportion equation
669,075.67 : 923,299.68 = 363,145.49 : x - Step 2: Convert to fraction form
669,075.67/923,299.68 = 363,145.49/x - Step 3: Cross multiply
669,075.67x = 923,299.68 × 363,145.49 - Step 4: Simplify right side
669,075.67x = 335,292,114,710.44 - Step 5: Solve for x
x = 335,292,114,710.44/669,075.67 - Step 6: Final answer
x = 501,127.35
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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.