Finding the Fourth Proportional to 235,476.42, 324,947.57 and 133,508.74
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Solution
The fourth proportional to 235,476.42, 324,947.57 and 133,508.74 is: 184,236.45
Step by Step Solution
- Step 1: Write the proportion equation
235,476.42 : 324,947.57 = 133,508.74 : x - Step 2: Convert to fraction form
235,476.42/324,947.57 = 133,508.74/x - Step 3: Cross multiply
235,476.42x = 324,947.57 × 133,508.74 - Step 4: Simplify right side
235,476.42x = 43,383,339,227.70 - Step 5: Solve for x
x = 43,383,339,227.70/235,476.42 - Step 6: Final answer
x = 184,236.45
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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.