Finding the Fourth Proportional to 248,163.08, 342,432.60 and 140,693.84
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Solution
The fourth proportional to 248,163.08, 342,432.60 and 140,693.84 is: 194,139.10
Step by Step Solution
- Step 1: Write the proportion equation
248,163.08 : 342,432.60 = 140,693.84 : x - Step 2: Convert to fraction form
248,163.08/342,432.60 = 140,693.84/x - Step 3: Cross multiply
248,163.08x = 342,432.60 × 140,693.84 - Step 4: Simplify right side
248,163.08x = 48,178,157,435.18 - Step 5: Solve for x
x = 48,178,157,435.18/248,163.08 - Step 6: Final answer
x = 194,139.10
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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.