Finding the Fourth Proportional to 246,509.46, 340,182.99 and 139,078.53
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Solution
The fourth proportional to 246,509.46, 340,182.99 and 139,078.53 is: 191,928.33
Step by Step Solution
- Step 1: Write the proportion equation
246,509.46 : 340,182.99 = 139,078.53 : x - Step 2: Convert to fraction form
246,509.46/340,182.99 = 139,078.53/x - Step 3: Cross multiply
246,509.46x = 340,182.99 × 139,078.53 - Step 4: Simplify right side
246,509.46x = 47,312,150,180.20 - Step 5: Solve for x
x = 47,312,150,180.20/246,509.46 - Step 6: Final answer
x = 191,928.33
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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.