Finding the Fourth Proportional to 712,224.22, 1,068,441.58 and 206,719.68
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Solution
The fourth proportional to 712,224.22, 1,068,441.58 and 206,719.68 is: 310,110.07
Step by Step Solution
- Step 1: Write the proportion equation
712,224.22 : 1,068,441.58 = 206,719.68 : x - Step 2: Convert to fraction form
712,224.22/1,068,441.58 = 206,719.68/x - Step 3: Cross multiply
712,224.22x = 1,068,441.58 × 206,719.68 - Step 4: Simplify right side
712,224.22x = 220,867,901,516.29 - Step 5: Solve for x
x = 220,867,901,516.29/712,224.22 - Step 6: Final answer
x = 310,110.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.