Finding the Fourth Proportional to 140,671.48, 210,777.18 and 135,422.68
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Solution
The fourth proportional to 140,671.48, 210,777.18 and 135,422.68 is: 202,912.56
Step by Step Solution
- Step 1: Write the proportion equation
140,671.48 : 210,777.18 = 135,422.68 : x - Step 2: Convert to fraction form
140,671.48/210,777.18 = 135,422.68/x - Step 3: Cross multiply
140,671.48x = 210,777.18 × 135,422.68 - Step 4: Simplify right side
140,671.48x = 28,544,010,598.44 - Step 5: Solve for x
x = 28,544,010,598.44/140,671.48 - Step 6: Final answer
x = 202,912.56
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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.