Finding the Fourth Proportional to 259,891.42, 358,650.12 and 140,659.42
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Solution
The fourth proportional to 259,891.42, 358,650.12 and 140,659.42 is: 194,109.98
Step by Step Solution
- Step 1: Write the proportion equation
259,891.42 : 358,650.12 = 140,659.42 : x - Step 2: Convert to fraction form
259,891.42/358,650.12 = 140,659.42/x - Step 3: Cross multiply
259,891.42x = 358,650.12 × 140,659.42 - Step 4: Simplify right side
259,891.42x = 50,447,517,862.13 - Step 5: Solve for x
x = 50,447,517,862.13/259,891.42 - Step 6: Final answer
x = 194,109.98
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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.