Finding the Fourth Proportional to 251,782.92, 347,507.01 and 144,353.70
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Solution
The fourth proportional to 251,782.92, 347,507.01 and 144,353.70 is: 199,234.81
Step by Step Solution
- Step 1: Write the proportion equation
251,782.92 : 347,507.01 = 144,353.70 : x - Step 2: Convert to fraction form
251,782.92/347,507.01 = 144,353.70/x - Step 3: Cross multiply
251,782.92x = 347,507.01 × 144,353.70 - Step 4: Simplify right side
251,782.92x = 50,163,922,669.44 - Step 5: Solve for x
x = 50,163,922,669.44/251,782.92 - Step 6: Final answer
x = 199,234.81
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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.