Finding the Fourth Proportional to 246,651.28, 340,342.16 and 149,804.74
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Solution
The fourth proportional to 246,651.28, 340,342.16 and 149,804.74 is: 206,708.31
Step by Step Solution
- Step 1: Write the proportion equation
246,651.28 : 340,342.16 = 149,804.74 : x - Step 2: Convert to fraction form
246,651.28/340,342.16 = 149,804.74/x - Step 3: Cross multiply
246,651.28x = 340,342.16 × 149,804.74 - Step 4: Simplify right side
246,651.28x = 50,984,868,466.24 - Step 5: Solve for x
x = 50,984,868,466.24/246,651.28 - Step 6: Final answer
x = 206,708.31
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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.