Finding the Fourth Proportional to 259,514.21, 358,129.12 and 144,786.03
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Solution
The fourth proportional to 259,514.21, 358,129.12 and 144,786.03 is: 199,804.44
Step by Step Solution
- Step 1: Write the proportion equation
259,514.21 : 358,129.12 = 144,786.03 : x - Step 2: Convert to fraction form
259,514.21/358,129.12 = 144,786.03/x - Step 3: Cross multiply
259,514.21x = 358,129.12 × 144,786.03 - Step 4: Simplify right side
259,514.21x = 51,852,092,678.75 - Step 5: Solve for x
x = 51,852,092,678.75/259,514.21 - Step 6: Final answer
x = 199,804.44
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1.5x scale
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.