Finding the Fourth Proportional to 251,621.44, 347,237.58 and 138,444.19
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Solution
The fourth proportional to 251,621.44, 347,237.58 and 138,444.19 is: 191,052.98
Step by Step Solution
- Step 1: Write the proportion equation
251,621.44 : 347,237.58 = 138,444.19 : x - Step 2: Convert to fraction form
251,621.44/347,237.58 = 138,444.19/x - Step 3: Cross multiply
251,621.44x = 347,237.58 × 138,444.19 - Step 4: Simplify right side
251,621.44x = 48,073,025,151.73 - Step 5: Solve for x
x = 48,073,025,151.73/251,621.44 - Step 6: Final answer
x = 191,052.98
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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.