Finding the Fourth Proportional to 260,940.79, 391,076.64 and 227,065.99
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Solution
The fourth proportional to 260,940.79, 391,076.64 and 227,065.99 is: 340,307.87
Step by Step Solution
- Step 1: Write the proportion equation
260,940.79 : 391,076.64 = 227,065.99 : x - Step 2: Convert to fraction form
260,940.79/391,076.64 = 227,065.99/x - Step 3: Cross multiply
260,940.79x = 391,076.64 × 227,065.99 - Step 4: Simplify right side
260,940.79x = 88,800,204,427.47 - Step 5: Solve for x
x = 88,800,204,427.47/260,940.79 - Step 6: Final answer
x = 340,307.87
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.