Finding the Fourth Proportional to 259,338.75, 357,893.81 and 144,616.28
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Solution
The fourth proportional to 259,338.75, 357,893.81 and 144,616.28 is: 199,573.99
Step by Step Solution
- Step 1: Write the proportion equation
259,338.75 : 357,893.81 = 144,616.28 : x - Step 2: Convert to fraction form
259,338.75/357,893.81 = 144,616.28/x - Step 3: Cross multiply
259,338.75x = 357,893.81 × 144,616.28 - Step 4: Simplify right side
259,338.75x = 51,757,268,924.68 - Step 5: Solve for x
x = 51,757,268,924.68/259,338.75 - Step 6: Final answer
x = 199,573.99
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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.