Finding the Fourth Proportional to 303,569.37, 418,961.16 and 252,491.99
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Solution
The fourth proportional to 303,569.37, 418,961.16 and 252,491.99 is: 348,468.41
Step by Step Solution
- Step 1: Write the proportion equation
303,569.37 : 418,961.16 = 252,491.99 : x - Step 2: Convert to fraction form
303,569.37/418,961.16 = 252,491.99/x - Step 3: Cross multiply
303,569.37x = 418,961.16 × 252,491.99 - Step 4: Simplify right side
303,569.37x = 105,784,334,926.30 - Step 5: Solve for x
x = 105,784,334,926.30/303,569.37 - Step 6: Final answer
x = 348,468.41
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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.