Finding the Fourth Proportional to 204,323.52, 281,733.84 and 143,874.84
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Solution
The fourth proportional to 204,323.52, 281,733.84 and 143,874.84 is: 198,383.48
Step by Step Solution
- Step 1: Write the proportion equation
204,323.52 : 281,733.84 = 143,874.84 : x - Step 2: Convert to fraction form
204,323.52/281,733.84 = 143,874.84/x - Step 3: Cross multiply
204,323.52x = 281,733.84 × 143,874.84 - Step 4: Simplify right side
204,323.52x = 40,534,411,152.59 - Step 5: Solve for x
x = 40,534,411,152.59/204,323.52 - Step 6: Final answer
x = 198,383.48
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1.5x scale
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.