Finding the Fourth Proportional to 210,147.41, 314,958.42 and 135,067.73
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Solution
The fourth proportional to 210,147.41, 314,958.42 and 135,067.73 is: 202,432.75
Step by Step Solution
- Step 1: Write the proportion equation
210,147.41 : 314,958.42 = 135,067.73 : x - Step 2: Convert to fraction form
210,147.41/314,958.42 = 135,067.73/x - Step 3: Cross multiply
210,147.41x = 314,958.42 × 135,067.73 - Step 4: Simplify right side
210,147.41x = 42,540,718,833.79 - Step 5: Solve for x
x = 42,540,718,833.79/210,147.41 - Step 6: Final answer
x = 202,432.75
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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.