Finding the Fourth Proportional to 611,158.44, 843,358.63 and 339,213.09
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Solution
The fourth proportional to 611,158.44, 843,358.63 and 339,213.09 is: 468,091.85
Step by Step Solution
- Step 1: Write the proportion equation
611,158.44 : 843,358.63 = 339,213.09 : x - Step 2: Convert to fraction form
611,158.44/843,358.63 = 339,213.09/x - Step 3: Cross multiply
611,158.44x = 843,358.63 × 339,213.09 - Step 4: Simplify right side
611,158.44x = 286,078,286,860.47 - Step 5: Solve for x
x = 286,078,286,860.47/611,158.44 - Step 6: Final answer
x = 468,091.85
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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.