Finding the Fourth Proportional to 307,626.21, 424,537.74 and 171,660.69
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Solution
The fourth proportional to 307,626.21, 424,537.74 and 171,660.69 is: 236,899.32
Step by Step Solution
- Step 1: Write the proportion equation
307,626.21 : 424,537.74 = 171,660.69 : x - Step 2: Convert to fraction form
307,626.21/424,537.74 = 171,660.69/x - Step 3: Cross multiply
307,626.21x = 424,537.74 × 171,660.69 - Step 4: Simplify right side
307,626.21x = 72,876,441,379.44 - Step 5: Solve for x
x = 72,876,441,379.44/307,626.21 - Step 6: Final answer
x = 236,899.32
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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.