Finding the Fourth Proportional to 300,615.24, 414,849.44 and 173,299.44
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Solution
The fourth proportional to 300,615.24, 414,849.44 and 173,299.44 is: 239,153.46
Step by Step Solution
- Step 1: Write the proportion equation
300,615.24 : 414,849.44 = 173,299.44 : x - Step 2: Convert to fraction form
300,615.24/414,849.44 = 173,299.44/x - Step 3: Cross multiply
300,615.24x = 414,849.44 × 173,299.44 - Step 4: Simplify right side
300,615.24x = 71,893,175,636.31 - Step 5: Solve for x
x = 71,893,175,636.31/300,615.24 - Step 6: Final answer
x = 239,153.46
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1.5x scale
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.