Finding the Fourth Proportional to 494,974.98, 683,075.70 and 280,115.01
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Solution
The fourth proportional to 494,974.98, 683,075.70 and 280,115.01 is: 386,564.50
Step by Step Solution
- Step 1: Write the proportion equation
494,974.98 : 683,075.70 = 280,115.01 : x - Step 2: Convert to fraction form
494,974.98/683,075.70 = 280,115.01/x - Step 3: Cross multiply
494,974.98x = 683,075.70 × 280,115.01 - Step 4: Simplify right side
494,974.98x = 191,339,756,536.26 - Step 5: Solve for x
x = 191,339,756,536.26/494,974.98 - Step 6: Final answer
x = 386,564.50
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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.