Finding the Fourth Proportional to 256,491.89, 353,775.20 and 180,027.99
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Solution
The fourth proportional to 256,491.89, 353,775.20 and 180,027.99 is: 248,309.75
Step by Step Solution
- Step 1: Write the proportion equation
256,491.89 : 353,775.20 = 180,027.99 : x - Step 2: Convert to fraction form
256,491.89/353,775.20 = 180,027.99/x - Step 3: Cross multiply
256,491.89x = 353,775.20 × 180,027.99 - Step 4: Simplify right side
256,491.89x = 63,689,438,262.70 - Step 5: Solve for x
x = 63,689,438,262.70/256,491.89 - Step 6: Final answer
x = 248,309.75
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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.