Finding the Fourth Proportional to 325,087.62, 448,440.36 and 189,106.26
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Solution
The fourth proportional to 325,087.62, 448,440.36 and 189,106.26 is: 260,861.61
Step by Step Solution
- Step 1: Write the proportion equation
325,087.62 : 448,440.36 = 189,106.26 : x - Step 2: Convert to fraction form
325,087.62/448,440.36 = 189,106.26/x - Step 3: Cross multiply
325,087.62x = 448,440.36 × 189,106.26 - Step 4: Simplify right side
325,087.62x = 84,802,879,312.65 - Step 5: Solve for x
x = 84,802,879,312.65/325,087.62 - Step 6: Final answer
x = 260,861.61
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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.