Finding the Fourth Proportional to 237,418.81, 327,624.98 and 129,968.06
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Solution
The fourth proportional to 237,418.81, 327,624.98 and 129,968.06 is: 179,348.81
Step by Step Solution
- Step 1: Write the proportion equation
237,418.81 : 327,624.98 = 129,968.06 : x - Step 2: Convert to fraction form
237,418.81/327,624.98 = 129,968.06/x - Step 3: Cross multiply
237,418.81x = 327,624.98 × 129,968.06 - Step 4: Simplify right side
237,418.81x = 42,580,780,770.17 - Step 5: Solve for x
x = 42,580,780,770.17/237,418.81 - Step 6: Final answer
x = 179,348.81
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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.