Finding the Fourth Proportional to 259,613.11, 358,266.42 and 144,891.75
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Solution
The fourth proportional to 259,613.11, 358,266.42 and 144,891.75 is: 199,950.80
Step by Step Solution
- Step 1: Write the proportion equation
259,613.11 : 358,266.42 = 144,891.75 : x - Step 2: Convert to fraction form
259,613.11/358,266.42 = 144,891.75/x - Step 3: Cross multiply
259,613.11x = 358,266.42 × 144,891.75 - Step 4: Simplify right side
259,613.11x = 51,909,847,835.58 - Step 5: Solve for x
x = 51,909,847,835.58/259,613.11 - Step 6: Final answer
x = 199,950.80
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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.