Finding the Fourth Proportional to 196,156.08, 270,753.30 and 115,609.68
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Solution
The fourth proportional to 196,156.08, 270,753.30 and 115,609.68 is: 159,575.49
Step by Step Solution
- Step 1: Write the proportion equation
196,156.08 : 270,753.30 = 115,609.68 : x - Step 2: Convert to fraction form
196,156.08/270,753.30 = 115,609.68/x - Step 3: Cross multiply
196,156.08x = 270,753.30 × 115,609.68 - Step 4: Simplify right side
196,156.08x = 31,301,702,371.94 - Step 5: Solve for x
x = 31,301,702,371.94/196,156.08 - Step 6: Final answer
x = 159,575.49
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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.