Finding the Fourth Proportional to 246,907.44, 340,730.68 and 139,512.24
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Solution
The fourth proportional to 246,907.44, 340,730.68 and 139,512.24 is: 192,525.99
Step by Step Solution
- Step 1: Write the proportion equation
246,907.44 : 340,730.68 = 139,512.24 : x - Step 2: Convert to fraction form
246,907.44/340,730.68 = 139,512.24/x - Step 3: Cross multiply
246,907.44x = 340,730.68 × 139,512.24 - Step 4: Simplify right side
246,907.44x = 47,536,100,403.52 - Step 5: Solve for x
x = 47,536,100,403.52/246,907.44 - Step 6: Final answer
x = 192,525.99
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1.5x scale
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.