Finding the Fourth Proportional to 448,707.18, 672,915.09 and 149,107.26
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Solution
The fourth proportional to 448,707.18, 672,915.09 and 149,107.26 is: 223,612.48
Step by Step Solution
- Step 1: Write the proportion equation
448,707.18 : 672,915.09 = 149,107.26 : x - Step 2: Convert to fraction form
448,707.18/672,915.09 = 149,107.26/x - Step 3: Cross multiply
448,707.18x = 672,915.09 × 149,107.26 - Step 4: Simplify right side
448,707.18x = 100,336,525,282.55 - Step 5: Solve for x
x = 100,336,525,282.55/448,707.18 - Step 6: Final answer
x = 223,612.48
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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.