Finding the Fourth Proportional to 424,883.87, 636,408.37 and 199,907.18
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Solution
The fourth proportional to 424,883.87, 636,408.37 and 199,907.18 is: 299,429.12
Step by Step Solution
- Step 1: Write the proportion equation
424,883.87 : 636,408.37 = 199,907.18 : x - Step 2: Convert to fraction form
424,883.87/636,408.37 = 199,907.18/x - Step 3: Cross multiply
424,883.87x = 636,408.37 × 199,907.18 - Step 4: Simplify right side
424,883.87x = 127,222,602,575.10 - Step 5: Solve for x
x = 127,222,602,575.10/424,883.87 - Step 6: Final answer
x = 299,429.12
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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.