Finding the Fourth Proportional to 321,887.01, 483,005.48 and 135,029.73
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Solution
The fourth proportional to 321,887.01, 483,005.48 and 135,029.73 is: 202,617.99
Step by Step Solution
- Step 1: Write the proportion equation
321,887.01 : 483,005.48 = 135,029.73 : x - Step 2: Convert to fraction form
321,887.01/483,005.48 = 135,029.73/x - Step 3: Cross multiply
321,887.01x = 483,005.48 × 135,029.73 - Step 4: Simplify right side
321,887.01x = 65,220,099,552.92 - Step 5: Solve for x
x = 65,220,099,552.92/321,887.01 - Step 6: Final answer
x = 202,617.99
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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.