Finding the Fourth Proportional to 488,040.36, 673,502.58 and 281,194.44
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Solution
The fourth proportional to 488,040.36, 673,502.58 and 281,194.44 is: 388,052.28
Step by Step Solution
- Step 1: Write the proportion equation
488,040.36 : 673,502.58 = 281,194.44 : x - Step 2: Convert to fraction form
488,040.36/673,502.58 = 281,194.44/x - Step 3: Cross multiply
488,040.36x = 673,502.58 × 281,194.44 - Step 4: Simplify right side
488,040.36x = 189,385,178,296.02 - Step 5: Solve for x
x = 189,385,178,296.02/488,040.36 - Step 6: Final answer
x = 388,052.28
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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.