Finding the Fourth Proportional to 302,203.80, 453,305.70 and 269,544.60
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Solution
The fourth proportional to 302,203.80, 453,305.70 and 269,544.60 is: 404,316.90
Step by Step Solution
- Step 1: Write the proportion equation
302,203.80 : 453,305.70 = 269,544.60 : x - Step 2: Convert to fraction form
302,203.80/453,305.70 = 269,544.60/x - Step 3: Cross multiply
302,203.80x = 453,305.70 × 269,544.60 - Step 4: Simplify right side
302,203.80x = 122,186,103,584.22 - Step 5: Solve for x
x = 122,186,103,584.22/302,203.80 - Step 6: Final answer
x = 404,316.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.