Finding the Fourth Proportional to 259,268.10, 357,955.11 and 211,634.70
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Solution
The fourth proportional to 259,268.10, 357,955.11 and 211,634.70 is: 292,190.68
Step by Step Solution
- Step 1: Write the proportion equation
259,268.10 : 357,955.11 = 211,634.70 : x - Step 2: Convert to fraction form
259,268.10/357,955.11 = 211,634.70/x - Step 3: Cross multiply
259,268.10x = 357,955.11 × 211,634.70 - Step 4: Simplify right side
259,268.10x = 75,755,722,318.32 - Step 5: Solve for x
x = 75,755,722,318.32/259,268.10 - Step 6: Final answer
x = 292,190.68
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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.