Finding the Fourth Proportional to 135,809.70, 203,714.55 and 130,050.60
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Solution
The fourth proportional to 135,809.70, 203,714.55 and 130,050.60 is: 195,075.90
Step by Step Solution
- Step 1: Write the proportion equation
135,809.70 : 203,714.55 = 130,050.60 : x - Step 2: Convert to fraction form
135,809.70/203,714.55 = 130,050.60/x - Step 3: Cross multiply
135,809.70x = 203,714.55 × 130,050.60 - Step 4: Simplify right side
135,809.70x = 26,493,199,456.23 - Step 5: Solve for x
x = 26,493,199,456.23/135,809.70 - Step 6: Final answer
x = 195,075.90
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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.