Finding the Fourth Proportional to 348,749.28, 481,420.26 and 235,725.12
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Solution
The fourth proportional to 348,749.28, 481,420.26 and 235,725.12 is: 325,399.52
Step by Step Solution
- Step 1: Write the proportion equation
348,749.28 : 481,420.26 = 235,725.12 : x - Step 2: Convert to fraction form
348,749.28/481,420.26 = 235,725.12/x - Step 3: Cross multiply
348,749.28x = 481,420.26 × 235,725.12 - Step 4: Simplify right side
348,749.28x = 113,482,848,558.93 - Step 5: Solve for x
x = 113,482,848,558.93/348,749.28 - Step 6: Final answer
x = 325,399.52
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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.