Finding the Fourth Proportional to 246,813.21, 340,636.04 and 142,034.99
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Solution
The fourth proportional to 246,813.21, 340,636.04 and 142,034.99 is: 196,027.73
Step by Step Solution
- Step 1: Write the proportion equation
246,813.21 : 340,636.04 = 142,034.99 : x - Step 2: Convert to fraction form
246,813.21/340,636.04 = 142,034.99/x - Step 3: Cross multiply
246,813.21x = 340,636.04 × 142,034.99 - Step 4: Simplify right side
246,813.21x = 48,382,234,121.68 - Step 5: Solve for x
x = 48,382,234,121.68/246,813.21 - Step 6: Final answer
x = 196,027.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.