Finding the Fourth Proportional to 259,091.49, 357,536.81 and 144,364.20
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Solution
The fourth proportional to 259,091.49, 357,536.81 and 144,364.20 is: 199,217.33
Step by Step Solution
- Step 1: Write the proportion equation
259,091.49 : 357,536.81 = 144,364.20 : x - Step 2: Convert to fraction form
259,091.49/357,536.81 = 144,364.20/x - Step 3: Cross multiply
259,091.49x = 357,536.81 × 144,364.20 - Step 4: Simplify right side
259,091.49x = 51,615,515,546.20 - Step 5: Solve for x
x = 51,615,515,546.20/259,091.49 - Step 6: Final answer
x = 199,217.33
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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.