Finding the Fourth Proportional to 298,134.09, 447,201.14 and 204,355.53
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Solution
The fourth proportional to 298,134.09, 447,201.14 and 204,355.53 is: 306,533.30
Step by Step Solution
- Step 1: Write the proportion equation
298,134.09 : 447,201.14 = 204,355.53 : x - Step 2: Convert to fraction form
298,134.09/447,201.14 = 204,355.53/x - Step 3: Cross multiply
298,134.09x = 447,201.14 × 204,355.53 - Step 4: Simplify right side
298,134.09x = 91,388,025,981.30 - Step 5: Solve for x
x = 91,388,025,981.30/298,134.09 - Step 6: Final answer
x = 306,533.30
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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.