Finding the Fourth Proportional to 494,230.37, 741,459.56 and 209,930.09
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Solution
The fourth proportional to 494,230.37, 741,459.56 and 209,930.09 is: 314,943.55
Step by Step Solution
- Step 1: Write the proportion equation
494,230.37 : 741,459.56 = 209,930.09 : x - Step 2: Convert to fraction form
494,230.37/741,459.56 = 209,930.09/x - Step 3: Cross multiply
494,230.37x = 741,459.56 × 209,930.09 - Step 4: Simplify right side
494,230.37x = 155,654,667,405.21 - Step 5: Solve for x
x = 155,654,667,405.21/494,230.37 - Step 6: Final answer
x = 314,943.55
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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.