Finding the Fourth Proportional to 235,709.76, 325,286.70 and 133,739.46
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Solution
The fourth proportional to 235,709.76, 325,286.70 and 133,739.46 is: 184,564.56
Step by Step Solution
- Step 1: Write the proportion equation
235,709.76 : 325,286.70 = 133,739.46 : x - Step 2: Convert to fraction form
235,709.76/325,286.70 = 133,739.46/x - Step 3: Cross multiply
235,709.76x = 325,286.70 × 133,739.46 - Step 4: Simplify right side
235,709.76x = 43,503,667,603.18 - Step 5: Solve for x
x = 43,503,667,603.18/235,709.76 - Step 6: Final answer
x = 184,564.56
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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.