Finding the Fourth Proportional to 135,247.36, 186,378.24 and 97,450.24
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Solution
The fourth proportional to 135,247.36, 186,378.24 and 97,450.24 is: 134,291.75
Step by Step Solution
- Step 1: Write the proportion equation
135,247.36 : 186,378.24 = 97,450.24 : x - Step 2: Convert to fraction form
135,247.36/186,378.24 = 97,450.24/x - Step 3: Cross multiply
135,247.36x = 186,378.24 × 97,450.24 - Step 4: Simplify right side
135,247.36x = 18,162,604,218.78 - Step 5: Solve for x
x = 18,162,604,218.78/135,247.36 - Step 6: Final answer
x = 134,291.75
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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.