Finding the Fourth Proportional to 348,749.78, 481,419.33 and 235,725.62
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Solution
The fourth proportional to 348,749.78, 481,419.33 and 235,725.62 is: 325,399.12
Step by Step Solution
- Step 1: Write the proportion equation
348,749.78 : 481,419.33 = 235,725.62 : x - Step 2: Convert to fraction form
348,749.78/481,419.33 = 235,725.62/x - Step 3: Cross multiply
348,749.78x = 481,419.33 × 235,725.62 - Step 4: Simplify right side
348,749.78x = 113,482,870,044.24 - Step 5: Solve for x
x = 113,482,870,044.24/348,749.78 - Step 6: Final answer
x = 325,399.12
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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.