Finding the Fourth Proportional to 105,652.44, 158,478.84 and 26,766.60
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Solution
The fourth proportional to 105,652.44, 158,478.84 and 26,766.60 is: 40,149.95
Step by Step Solution
- Step 1: Write the proportion equation
105,652.44 : 158,478.84 = 26,766.60 : x - Step 2: Convert to fraction form
105,652.44/158,478.84 = 26,766.60/x - Step 3: Cross multiply
105,652.44x = 158,478.84 × 26,766.60 - Step 4: Simplify right side
105,652.44x = 4,241,939,718.74 - Step 5: Solve for x
x = 4,241,939,718.74/105,652.44 - Step 6: Final answer
x = 40,149.95
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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.