Finding the Fourth Proportional to 237,221.16, 327,372.98 and 129,788.74
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Solution
The fourth proportional to 237,221.16, 327,372.98 and 129,788.74 is: 179,112.72
Step by Step Solution
- Step 1: Write the proportion equation
237,221.16 : 327,372.98 = 129,788.74 : x - Step 2: Convert to fraction form
237,221.16/327,372.98 = 129,788.74/x - Step 3: Cross multiply
237,221.16x = 327,372.98 × 129,788.74 - Step 4: Simplify right side
237,221.16x = 42,489,326,584.25 - Step 5: Solve for x
x = 42,489,326,584.25/237,221.16 - Step 6: Final answer
x = 179,112.72
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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.