Finding the Fourth Proportional to 246,607.56, 340,281.95 and 149,761.05
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Solution
The fourth proportional to 246,607.56, 340,281.95 and 149,761.05 is: 206,648.09
Step by Step Solution
- Step 1: Write the proportion equation
246,607.56 : 340,281.95 = 149,761.05 : x - Step 2: Convert to fraction form
246,607.56/340,281.95 = 149,761.05/x - Step 3: Cross multiply
246,607.56x = 340,281.95 × 149,761.05 - Step 4: Simplify right side
246,607.56x = 50,960,981,379.24 - Step 5: Solve for x
x = 50,960,981,379.24/246,607.56 - Step 6: Final answer
x = 206,648.09
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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.