Finding the Fourth Proportional to 451,368.27, 677,115.63 and 147,786.17
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Solution
The fourth proportional to 451,368.27, 677,115.63 and 147,786.17 is: 221,699.95
Step by Step Solution
- Step 1: Write the proportion equation
451,368.27 : 677,115.63 = 147,786.17 : x - Step 2: Convert to fraction form
451,368.27/677,115.63 = 147,786.17/x - Step 3: Cross multiply
451,368.27x = 677,115.63 × 147,786.17 - Step 4: Simplify right side
451,368.27x = 100,068,322,219.26 - Step 5: Solve for x
x = 100,068,322,219.26/451,368.27 - Step 6: Final answer
x = 221,699.95
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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.