Finding the Fourth Proportional to 307,170.18, 423,879.84 and 171,218.94
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Solution
The fourth proportional to 307,170.18, 423,879.84 and 171,218.94 is: 236,273.77
Step by Step Solution
- Step 1: Write the proportion equation
307,170.18 : 423,879.84 = 171,218.94 : x - Step 2: Convert to fraction form
307,170.18/423,879.84 = 171,218.94/x - Step 3: Cross multiply
307,170.18x = 423,879.84 × 171,218.94 - Step 4: Simplify right side
307,170.18x = 72,576,256,892.17 - Step 5: Solve for x
x = 72,576,256,892.17/307,170.18 - Step 6: Final answer
x = 236,273.77
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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.