Finding the Fourth Proportional to 190,257.36, 262,557.36 and 105,375.84
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Solution
The fourth proportional to 190,257.36, 262,557.36 and 105,375.84 is: 145,419.88
Step by Step Solution
- Step 1: Write the proportion equation
190,257.36 : 262,557.36 = 105,375.84 : x - Step 2: Convert to fraction form
190,257.36/262,557.36 = 105,375.84/x - Step 3: Cross multiply
190,257.36x = 262,557.36 × 105,375.84 - Step 4: Simplify right side
190,257.36x = 27,667,202,358.18 - Step 5: Solve for x
x = 27,667,202,358.18/190,257.36 - Step 6: Final answer
x = 145,419.88
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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.