Finding the Fourth Proportional to 291,267.26, 401,923.21 and 162,195.99
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Solution
The fourth proportional to 291,267.26, 401,923.21 and 162,195.99 is: 223,816.21
Step by Step Solution
- Step 1: Write the proportion equation
291,267.26 : 401,923.21 = 162,195.99 : x - Step 2: Convert to fraction form
291,267.26/401,923.21 = 162,195.99/x - Step 3: Cross multiply
291,267.26x = 401,923.21 × 162,195.99 - Step 4: Simplify right side
291,267.26x = 65,190,332,949.93 - Step 5: Solve for x
x = 65,190,332,949.93/291,267.26 - Step 6: Final answer
x = 223,816.21
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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.