Finding the Fourth Proportional to 479,271.39, 661,371.42 and 261,467.09
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Solution
The fourth proportional to 479,271.39, 661,371.42 and 261,467.09 is: 360,811.98
Step by Step Solution
- Step 1: Write the proportion equation
479,271.39 : 661,371.42 = 261,467.09 : x - Step 2: Convert to fraction form
479,271.39/661,371.42 = 261,467.09/x - Step 3: Cross multiply
479,271.39x = 661,371.42 × 261,467.09 - Step 4: Simplify right side
479,271.39x = 172,926,857,289.71 - Step 5: Solve for x
x = 172,926,857,289.71/479,271.39 - Step 6: Final answer
x = 360,811.98
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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.