Finding the Fourth Proportional to 202,873.80, 304,310.70 and 55,129.80
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Solution
The fourth proportional to 202,873.80, 304,310.70 and 55,129.80 is: 82,694.70
Step by Step Solution
- Step 1: Write the proportion equation
202,873.80 : 304,310.70 = 55,129.80 : x - Step 2: Convert to fraction form
202,873.80/304,310.70 = 55,129.80/x - Step 3: Cross multiply
202,873.80x = 304,310.70 × 55,129.80 - Step 4: Simplify right side
202,873.80x = 16,776,588,028.86 - Step 5: Solve for x
x = 16,776,588,028.86/202,873.80 - Step 6: Final answer
x = 82,694.70
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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.