Finding the Fourth Proportional to 248,682.15, 372,932.10 and 80,246.70
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Solution
The fourth proportional to 248,682.15, 372,932.10 and 80,246.70 is: 120,340.65
Step by Step Solution
- Step 1: Write the proportion equation
248,682.15 : 372,932.10 = 80,246.70 : x - Step 2: Convert to fraction form
248,682.15/372,932.10 = 80,246.70/x - Step 3: Cross multiply
248,682.15x = 372,932.10 × 80,246.70 - Step 4: Simplify right side
248,682.15x = 29,926,570,349.07 - Step 5: Solve for x
x = 29,926,570,349.07/248,682.15 - Step 6: Final answer
x = 120,340.65
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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.