Finding the Fourth Proportional to 186,289.74, 279,277.86 and 81,029.44
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Solution
The fourth proportional to 186,289.74, 279,277.86 and 81,029.44 is: 121,475.98
Step by Step Solution
- Step 1: Write the proportion equation
186,289.74 : 279,277.86 = 81,029.44 : x - Step 2: Convert to fraction form
186,289.74/279,277.86 = 81,029.44/x - Step 3: Cross multiply
186,289.74x = 279,277.86 × 81,029.44 - Step 4: Simplify right side
186,289.74x = 22,629,728,600.20 - Step 5: Solve for x
x = 22,629,728,600.20/186,289.74 - Step 6: Final answer
x = 121,475.98
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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.