Finding the Fourth Proportional to 255,376.21, 352,415.86 and 140,652.67
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Solution
The fourth proportional to 255,376.21, 352,415.86 and 140,652.67 is: 194,098.86
Step by Step Solution
- Step 1: Write the proportion equation
255,376.21 : 352,415.86 = 140,652.67 : x - Step 2: Convert to fraction form
255,376.21/352,415.86 = 140,652.67/x - Step 3: Cross multiply
255,376.21x = 352,415.86 × 140,652.67 - Step 4: Simplify right side
255,376.21x = 49,568,230,956.08 - Step 5: Solve for x
x = 49,568,230,956.08/255,376.21 - Step 6: Final answer
x = 194,098.86
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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.