Finding the Fourth Proportional to 440,399.70, 607,754.64 and 239,195.70
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Solution
The fourth proportional to 440,399.70, 607,754.64 and 239,195.70 is: 330,091.72
Step by Step Solution
- Step 1: Write the proportion equation
440,399.70 : 607,754.64 = 239,195.70 : x - Step 2: Convert to fraction form
440,399.70/607,754.64 = 239,195.70/x - Step 3: Cross multiply
440,399.70x = 607,754.64 × 239,195.70 - Step 4: Simplify right side
440,399.70x = 145,372,296,543.05 - Step 5: Solve for x
x = 145,372,296,543.05/440,399.70 - Step 6: Final answer
x = 330,091.72
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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.