Finding the Fourth Proportional to 354,322.14, 531,704.64 and 143,960.09
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Solution
The fourth proportional to 354,322.14, 531,704.64 and 143,960.09 is: 216,030.09
Step by Step Solution
- Step 1: Write the proportion equation
354,322.14 : 531,704.64 = 143,960.09 : x - Step 2: Convert to fraction form
354,322.14/531,704.64 = 143,960.09/x - Step 3: Cross multiply
354,322.14x = 531,704.64 × 143,960.09 - Step 4: Simplify right side
354,322.14x = 76,544,245,169.29 - Step 5: Solve for x
x = 76,544,245,169.29/354,322.14 - Step 6: Final answer
x = 216,030.09
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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.