Finding the Fourth Proportional to 130,241.76, 179,769.12 and 76,544.08
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Solution
The fourth proportional to 130,241.76, 179,769.12 and 76,544.08 is: 105,651.69
Step by Step Solution
- Step 1: Write the proportion equation
130,241.76 : 179,769.12 = 76,544.08 : x - Step 2: Convert to fraction form
130,241.76/179,769.12 = 76,544.08/x - Step 3: Cross multiply
130,241.76x = 179,769.12 × 76,544.08 - Step 4: Simplify right side
130,241.76x = 13,760,261,902.81 - Step 5: Solve for x
x = 13,760,261,902.81/130,241.76 - Step 6: Final answer
x = 105,651.69
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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.