Finding the Fourth Proportional to 251,344.24, 346,855.08 and 143,949.88
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Solution
The fourth proportional to 251,344.24, 346,855.08 and 143,949.88 is: 198,650.85
Step by Step Solution
- Step 1: Write the proportion equation
251,344.24 : 346,855.08 = 143,949.88 : x - Step 2: Convert to fraction form
251,344.24/346,855.08 = 143,949.88/x - Step 3: Cross multiply
251,344.24x = 346,855.08 × 143,949.88 - Step 4: Simplify right side
251,344.24x = 49,929,747,143.39 - Step 5: Solve for x
x = 49,929,747,143.39/251,344.24 - Step 6: Final answer
x = 198,650.85
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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.