Finding the Fourth Proportional to 256,034.24, 353,327.03 and 142,856.99
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Solution
The fourth proportional to 256,034.24, 353,327.03 and 142,856.99 is: 197,142.52
Step by Step Solution
- Step 1: Write the proportion equation
256,034.24 : 353,327.03 = 142,856.99 : x - Step 2: Convert to fraction form
256,034.24/353,327.03 = 142,856.99/x - Step 3: Cross multiply
256,034.24x = 353,327.03 × 142,856.99 - Step 4: Simplify right side
256,034.24x = 50,475,235,371.21 - Step 5: Solve for x
x = 50,475,235,371.21/256,034.24 - Step 6: Final answer
x = 197,142.52
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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.