Finding the Fourth Proportional to 138,426.08, 207,604.56 and 44,958.56
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Solution
The fourth proportional to 138,426.08, 207,604.56 and 44,958.56 is: 67,426.62
Step by Step Solution
- Step 1: Write the proportion equation
138,426.08 : 207,604.56 = 44,958.56 : x - Step 2: Convert to fraction form
138,426.08/207,604.56 = 44,958.56/x - Step 3: Cross multiply
138,426.08x = 207,604.56 × 44,958.56 - Step 4: Simplify right side
138,426.08x = 9,333,602,067.03 - Step 5: Solve for x
x = 9,333,602,067.03/138,426.08 - Step 6: Final answer
x = 67,426.62
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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.