Finding the Fourth Proportional to 446,622.81, 669,557.64 and 193,712.91
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Solution
The fourth proportional to 446,622.81, 669,557.64 and 193,712.91 is: 290,406.03
Step by Step Solution
- Step 1: Write the proportion equation
446,622.81 : 669,557.64 = 193,712.91 : x - Step 2: Convert to fraction form
446,622.81/669,557.64 = 193,712.91/x - Step 3: Cross multiply
446,622.81x = 669,557.64 × 193,712.91 - Step 4: Simplify right side
446,622.81x = 129,701,958,857.13 - Step 5: Solve for x
x = 129,701,958,857.13/446,622.81 - Step 6: Final answer
x = 290,406.03
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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.