Finding the Fourth Proportional to 284,849.12, 427,273.14 and 107,395.94
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Solution
The fourth proportional to 284,849.12, 427,273.14 and 107,395.94 is: 161,093.71
Step by Step Solution
- Step 1: Write the proportion equation
284,849.12 : 427,273.14 = 107,395.94 : x - Step 2: Convert to fraction form
284,849.12/427,273.14 = 107,395.94/x - Step 3: Cross multiply
284,849.12x = 427,273.14 × 107,395.94 - Step 4: Simplify right side
284,849.12x = 45,887,400,507.05 - Step 5: Solve for x
x = 45,887,400,507.05/284,849.12 - Step 6: Final answer
x = 161,093.71
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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.