Finding the Fourth Proportional to 85,197.18, 127,795.74 and 22,867.68
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Solution
The fourth proportional to 85,197.18, 127,795.74 and 22,867.68 is: 34,301.51
Step by Step Solution
- Step 1: Write the proportion equation
85,197.18 : 127,795.74 = 22,867.68 : x - Step 2: Convert to fraction form
85,197.18/127,795.74 = 22,867.68/x - Step 3: Cross multiply
85,197.18x = 127,795.74 × 22,867.68 - Step 4: Simplify right side
85,197.18x = 2,922,392,087.68 - Step 5: Solve for x
x = 2,922,392,087.68/85,197.18 - Step 6: Final answer
x = 34,301.51
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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.