Finding the Fourth Proportional to 263,535.98, 363,675.24 and 142,676.28
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Solution
The fourth proportional to 263,535.98, 363,675.24 and 142,676.28 is: 196,890.88
Step by Step Solution
- Step 1: Write the proportion equation
263,535.98 : 363,675.24 = 142,676.28 : x - Step 2: Convert to fraction form
263,535.98/363,675.24 = 142,676.28/x - Step 3: Cross multiply
263,535.98x = 363,675.24 × 142,676.28 - Step 4: Simplify right side
263,535.98x = 51,887,830,371.31 - Step 5: Solve for x
x = 51,887,830,371.31/263,535.98 - Step 6: Final answer
x = 196,890.88
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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.