Finding the Fourth Proportional to 259,750.26, 358,451.84 and 145,030.68
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Solution
The fourth proportional to 259,750.26, 358,451.84 and 145,030.68 is: 200,140.37
Step by Step Solution
- Step 1: Write the proportion equation
259,750.26 : 358,451.84 = 145,030.68 : x - Step 2: Convert to fraction form
259,750.26/358,451.84 = 145,030.68/x - Step 3: Cross multiply
259,750.26x = 358,451.84 × 145,030.68 - Step 4: Simplify right side
259,750.26x = 51,986,514,102.45 - Step 5: Solve for x
x = 51,986,514,102.45/259,750.26 - Step 6: Final answer
x = 200,140.37
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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.