Finding the Fourth Proportional to 256,197.24, 353,537.76 and 143,027.28
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Solution
The fourth proportional to 256,197.24, 353,537.76 and 143,027.28 is: 197,369.59
Step by Step Solution
- Step 1: Write the proportion equation
256,197.24 : 353,537.76 = 143,027.28 : x - Step 2: Convert to fraction form
256,197.24/353,537.76 = 143,027.28/x - Step 3: Cross multiply
256,197.24x = 353,537.76 × 143,027.28 - Step 4: Simplify right side
256,197.24x = 50,565,544,190.09 - Step 5: Solve for x
x = 50,565,544,190.09/256,197.24 - Step 6: Final answer
x = 197,369.59
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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.