Finding the Fourth Proportional to 259,578.36, 358,380.30 and 199,032.63
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Solution
The fourth proportional to 259,578.36, 358,380.30 and 199,032.63 is: 274,789.37
Step by Step Solution
- Step 1: Write the proportion equation
259,578.36 : 358,380.30 = 199,032.63 : x - Step 2: Convert to fraction form
259,578.36/358,380.30 = 199,032.63/x - Step 3: Cross multiply
259,578.36x = 358,380.30 × 199,032.63 - Step 4: Simplify right side
259,578.36x = 71,329,373,649.19 - Step 5: Solve for x
x = 71,329,373,649.19/259,578.36 - Step 6: Final answer
x = 274,789.37
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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.