Finding the Fourth Proportional to 372,238.74, 513,668.69 and 208,880.07
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Solution
The fourth proportional to 372,238.74, 513,668.69 and 208,880.07 is: 288,242.84
Step by Step Solution
- Step 1: Write the proportion equation
372,238.74 : 513,668.69 = 208,880.07 : x - Step 2: Convert to fraction form
372,238.74/513,668.69 = 208,880.07/x - Step 3: Cross multiply
372,238.74x = 513,668.69 × 208,880.07 - Step 4: Simplify right side
372,238.74x = 107,295,149,736.65 - Step 5: Solve for x
x = 107,295,149,736.65/372,238.74 - Step 6: Final answer
x = 288,242.84
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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.