Finding the Fourth Proportional to 259,620.75, 358,276.68 and 140,388.75
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Solution
The fourth proportional to 259,620.75, 358,276.68 and 140,388.75 is: 193,736.50
Step by Step Solution
- Step 1: Write the proportion equation
259,620.75 : 358,276.68 = 140,388.75 : x - Step 2: Convert to fraction form
259,620.75/358,276.68 = 140,388.75/x - Step 3: Cross multiply
259,620.75x = 358,276.68 × 140,388.75 - Step 4: Simplify right side
259,620.75x = 50,298,015,259.35 - Step 5: Solve for x
x = 50,298,015,259.35/259,620.75 - Step 6: Final answer
x = 193,736.50
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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.