Finding the Fourth Proportional to 426,625.30, 639,690.37 and 201,983.84
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Solution
The fourth proportional to 426,625.30, 639,690.37 and 201,983.84 is: 302,858.53
Step by Step Solution
- Step 1: Write the proportion equation
426,625.30 : 639,690.37 = 201,983.84 : x - Step 2: Convert to fraction form
426,625.30/639,690.37 = 201,983.84/x - Step 3: Cross multiply
426,625.30x = 639,690.37 × 201,983.84 - Step 4: Simplify right side
426,625.30x = 129,207,113,135.25 - Step 5: Solve for x
x = 129,207,113,135.25/426,625.30 - Step 6: Final answer
x = 302,858.53
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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.