Finding the Fourth Proportional to 263,675.70, 395,416.35 and 130,511.70
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Solution
The fourth proportional to 263,675.70, 395,416.35 and 130,511.70 is: 195,719.44
Step by Step Solution
- Step 1: Write the proportion equation
263,675.70 : 395,416.35 = 130,511.70 : x - Step 2: Convert to fraction form
263,675.70/395,416.35 = 130,511.70/x - Step 3: Cross multiply
263,675.70x = 395,416.35 × 130,511.70 - Step 4: Simplify right side
263,675.70x = 51,606,460,046.30 - Step 5: Solve for x
x = 51,606,460,046.30/263,675.70 - Step 6: Final answer
x = 195,719.44
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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.