Finding the Fourth Proportional to 268,634.40, 403,137.90 and 202,214.40
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Solution
The fourth proportional to 268,634.40, 403,137.90 and 202,214.40 is: 303,461.84
Step by Step Solution
- Step 1: Write the proportion equation
268,634.40 : 403,137.90 = 202,214.40 : x - Step 2: Convert to fraction form
268,634.40/403,137.90 = 202,214.40/x - Step 3: Cross multiply
268,634.40x = 403,137.90 × 202,214.40 - Step 4: Simplify right side
268,634.40x = 81,520,288,565.76 - Step 5: Solve for x
x = 81,520,288,565.76/268,634.40 - Step 6: Final answer
x = 303,461.84
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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.