Finding the Fourth Proportional to 424,135.98, 635,344.65 and 196,107.53
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Solution
The fourth proportional to 424,135.98, 635,344.65 and 196,107.53 is: 293,763.96
Step by Step Solution
- Step 1: Write the proportion equation
424,135.98 : 635,344.65 = 196,107.53 : x - Step 2: Convert to fraction form
424,135.98/635,344.65 = 196,107.53/x - Step 3: Cross multiply
424,135.98x = 635,344.65 × 196,107.53 - Step 4: Simplify right side
424,135.98x = 124,595,866,833.49 - Step 5: Solve for x
x = 124,595,866,833.49/424,135.98 - Step 6: Final answer
x = 293,763.96
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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.