Finding the Fourth Proportional to 220,668.81, 303,567.36 and 193,321.74
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Solution
The fourth proportional to 220,668.81, 303,567.36 and 193,321.74 is: 265,946.83
Step by Step Solution
- Step 1: Write the proportion equation
220,668.81 : 303,567.36 = 193,321.74 : x - Step 2: Convert to fraction form
220,668.81/303,567.36 = 193,321.74/x - Step 3: Cross multiply
220,668.81x = 303,567.36 × 193,321.74 - Step 4: Simplify right side
220,668.81x = 58,686,170,242.41 - Step 5: Solve for x
x = 58,686,170,242.41/220,668.81 - Step 6: Final answer
x = 265,946.83
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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.