Finding the Fourth Proportional to 140,434.14, 210,704.40 and 84,313.44
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Solution
The fourth proportional to 140,434.14, 210,704.40 and 84,313.44 is: 126,502.09
Step by Step Solution
- Step 1: Write the proportion equation
140,434.14 : 210,704.40 = 84,313.44 : x - Step 2: Convert to fraction form
140,434.14/210,704.40 = 84,313.44/x - Step 3: Cross multiply
140,434.14x = 210,704.40 × 84,313.44 - Step 4: Simplify right side
140,434.14x = 17,765,212,787.14 - Step 5: Solve for x
x = 17,765,212,787.14/140,434.14 - Step 6: Final answer
x = 126,502.09
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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.