Finding the Fourth Proportional to 263,416.19, 395,110.38 and 73,889.63
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Solution
The fourth proportional to 263,416.19, 395,110.38 and 73,889.63 is: 110,830.54
Step by Step Solution
- Step 1: Write the proportion equation
263,416.19 : 395,110.38 = 73,889.63 : x - Step 2: Convert to fraction form
263,416.19/395,110.38 = 73,889.63/x - Step 3: Cross multiply
263,416.19x = 395,110.38 × 73,889.63 - Step 4: Simplify right side
263,416.19x = 29,194,559,787.36 - Step 5: Solve for x
x = 29,194,559,787.36/263,416.19 - Step 6: Final answer
x = 110,830.54
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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.