Finding the Fourth Proportional to 260,941.79, 391,078.14 and 227,066.99
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Solution
The fourth proportional to 260,941.79, 391,078.14 and 227,066.99 is: 340,309.37
Step by Step Solution
- Step 1: Write the proportion equation
260,941.79 : 391,078.14 = 227,066.99 : x - Step 2: Convert to fraction form
260,941.79/391,078.14 = 227,066.99/x - Step 3: Cross multiply
260,941.79x = 391,078.14 × 227,066.99 - Step 4: Simplify right side
260,941.79x = 88,800,936,104.60 - Step 5: Solve for x
x = 88,800,936,104.60/260,941.79 - Step 6: Final answer
x = 340,309.37
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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.