Finding the Fourth Proportional to 313,286.40, 469,359.36 and 279,694.08
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Solution
The fourth proportional to 313,286.40, 469,359.36 and 279,694.08 is: 419,032.02
Step by Step Solution
- Step 1: Write the proportion equation
313,286.40 : 469,359.36 = 279,694.08 : x - Step 2: Convert to fraction form
313,286.40/469,359.36 = 279,694.08/x - Step 3: Cross multiply
313,286.40x = 469,359.36 × 279,694.08 - Step 4: Simplify right side
313,286.40x = 131,277,034,384.59 - Step 5: Solve for x
x = 131,277,034,384.59/313,286.40 - Step 6: Final answer
x = 419,032.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.