Finding the Fourth Proportional to 246,890.99, 340,737.33 and 139,467.95
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Solution
The fourth proportional to 246,890.99, 340,737.33 and 139,467.95 is: 192,481.45
Step by Step Solution
- Step 1: Write the proportion equation
246,890.99 : 340,737.33 = 139,467.95 : x - Step 2: Convert to fraction form
246,890.99/340,737.33 = 139,467.95/x - Step 3: Cross multiply
246,890.99x = 340,737.33 × 139,467.95 - Step 4: Simplify right side
246,890.99x = 47,521,936,903.57 - Step 5: Solve for x
x = 47,521,936,903.57/246,890.99 - Step 6: Final answer
x = 192,481.45
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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.