Finding the Fourth Proportional to 611,147.17, 843,370.41 and 339,199.12
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Solution
The fourth proportional to 611,147.17, 843,370.41 and 339,199.12 is: 468,087.75
Step by Step Solution
- Step 1: Write the proportion equation
611,147.17 : 843,370.41 = 339,199.12 : x - Step 2: Convert to fraction form
611,147.17/843,370.41 = 339,199.12/x - Step 3: Cross multiply
611,147.17x = 843,370.41 × 339,199.12 - Step 4: Simplify right side
611,147.17x = 286,070,500,906.04 - Step 5: Solve for x
x = 286,070,500,906.04/611,147.17 - Step 6: Final answer
x = 468,087.75
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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.