Finding the Fourth Proportional to 177,720.10, 266,364.60 and 130,535.44
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Solution
The fourth proportional to 177,720.10, 266,364.60 and 130,535.44 is: 195,644.84
Step by Step Solution
- Step 1: Write the proportion equation
177,720.10 : 266,364.60 = 130,535.44 : x - Step 2: Convert to fraction form
177,720.10/266,364.60 = 130,535.44/x - Step 3: Cross multiply
177,720.10x = 266,364.60 × 130,535.44 - Step 4: Simplify right side
177,720.10x = 34,770,020,261.42 - Step 5: Solve for x
x = 34,770,020,261.42/177,720.10 - Step 6: Final answer
x = 195,644.84
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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.