Finding the Fourth Proportional to 321,235.74, 481,858.47 and 121,650.12
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Solution
The fourth proportional to 321,235.74, 481,858.47 and 121,650.12 is: 182,477.02
Step by Step Solution
- Step 1: Write the proportion equation
321,235.74 : 481,858.47 = 121,650.12 : x - Step 2: Convert to fraction form
321,235.74/481,858.47 = 121,650.12/x - Step 3: Cross multiply
321,235.74x = 481,858.47 × 121,650.12 - Step 4: Simplify right side
321,235.74x = 58,618,140,698.52 - Step 5: Solve for x
x = 58,618,140,698.52/321,235.74 - Step 6: Final answer
x = 182,477.02
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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.