Finding the Fourth Proportional to 234,938.09, 324,211.86 and 127,508.19
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Solution
The fourth proportional to 234,938.09, 324,211.86 and 127,508.19 is: 175,959.84
Step by Step Solution
- Step 1: Write the proportion equation
234,938.09 : 324,211.86 = 127,508.19 : x - Step 2: Convert to fraction form
234,938.09/324,211.86 = 127,508.19/x - Step 3: Cross multiply
234,938.09x = 324,211.86 × 127,508.19 - Step 4: Simplify right side
234,938.09x = 41,339,667,445.13 - Step 5: Solve for x
x = 41,339,667,445.13/234,938.09 - Step 6: Final answer
x = 175,959.84
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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.