Finding the Fourth Proportional to 254,739.20, 351,431.04 and 159,079.84
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Solution
The fourth proportional to 254,739.20, 351,431.04 and 159,079.84 is: 219,462.08
Step by Step Solution
- Step 1: Write the proportion equation
254,739.20 : 351,431.04 = 159,079.84 : x - Step 2: Convert to fraction form
254,739.20/351,431.04 = 159,079.84/x - Step 3: Cross multiply
254,739.20x = 351,431.04 × 159,079.84 - Step 4: Simplify right side
254,739.20x = 55,905,593,614.23 - Step 5: Solve for x
x = 55,905,593,614.23/254,739.20 - Step 6: Final answer
x = 219,462.08
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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.