Finding the Fourth Proportional to 90,187.08, 135,286.56 and 23,628.84
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Solution
The fourth proportional to 90,187.08, 135,286.56 and 23,628.84 is: 35,444.82
Step by Step Solution
- Step 1: Write the proportion equation
90,187.08 : 135,286.56 = 23,628.84 : x - Step 2: Convert to fraction form
90,187.08/135,286.56 = 23,628.84/x - Step 3: Cross multiply
90,187.08x = 135,286.56 × 23,628.84 - Step 4: Simplify right side
90,187.08x = 3,196,664,480.39 - Step 5: Solve for x
x = 3,196,664,480.39/90,187.08 - Step 6: Final answer
x = 35,444.82
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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.