Finding the Fourth Proportional to 272,945.08, 409,647.66 and 115,286.68
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Solution
The fourth proportional to 272,945.08, 409,647.66 and 115,286.68 is: 173,027.18
Step by Step Solution
- Step 1: Write the proportion equation
272,945.08 : 409,647.66 = 115,286.68 : x - Step 2: Convert to fraction form
272,945.08/409,647.66 = 115,286.68/x - Step 3: Cross multiply
272,945.08x = 409,647.66 × 115,286.68 - Step 4: Simplify right side
272,945.08x = 47,226,918,691.17 - Step 5: Solve for x
x = 47,226,918,691.17/272,945.08 - Step 6: Final answer
x = 173,027.18
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.