Finding the Fourth Proportional to 322,245.50, 483,368.45 and 122,519.75
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Solution
The fourth proportional to 322,245.50, 483,368.45 and 122,519.75 is: 183,779.69
Step by Step Solution
- Step 1: Write the proportion equation
322,245.50 : 483,368.45 = 122,519.75 : x - Step 2: Convert to fraction form
322,245.50/483,368.45 = 122,519.75/x - Step 3: Cross multiply
322,245.50x = 483,368.45 × 122,519.75 - Step 4: Simplify right side
322,245.50x = 59,222,178,622.45 - Step 5: Solve for x
x = 59,222,178,622.45/322,245.50 - Step 6: Final answer
x = 183,779.69
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1.5x scale
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.