Finding the Fourth Proportional to 263,392.44, 395,101.35 and 85,899.12
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Solution
The fourth proportional to 263,392.44, 395,101.35 and 85,899.12 is: 128,852.82
Step by Step Solution
- Step 1: Write the proportion equation
263,392.44 : 395,101.35 = 85,899.12 : x - Step 2: Convert to fraction form
263,392.44/395,101.35 = 85,899.12/x - Step 3: Cross multiply
263,392.44x = 395,101.35 × 85,899.12 - Step 4: Simplify right side
263,392.44x = 33,938,858,275.81 - Step 5: Solve for x
x = 33,938,858,275.81/263,392.44 - Step 6: Final answer
x = 128,852.82
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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.