Finding the Fourth Proportional to 154,246.08, 212,882.40 and 97,662.72
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Solution
The fourth proportional to 154,246.08, 212,882.40 and 97,662.72 is: 134,789.00
Step by Step Solution
- Step 1: Write the proportion equation
154,246.08 : 212,882.40 = 97,662.72 : x - Step 2: Convert to fraction form
154,246.08/212,882.40 = 97,662.72/x - Step 3: Cross multiply
154,246.08x = 212,882.40 × 97,662.72 - Step 4: Simplify right side
154,246.08x = 20,790,674,224.13 - Step 5: Solve for x
x = 20,790,674,224.13/154,246.08 - Step 6: Final answer
x = 134,789.00
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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.