Finding the Fourth Proportional to 314,954.36, 434,527.98 and 201,839.48
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Solution
The fourth proportional to 314,954.36, 434,527.98 and 201,839.48 is: 278,468.61
Step by Step Solution
- Step 1: Write the proportion equation
314,954.36 : 434,527.98 = 201,839.48 : x - Step 2: Convert to fraction form
314,954.36/434,527.98 = 201,839.48/x - Step 3: Cross multiply
314,954.36x = 434,527.98 × 201,839.48 - Step 4: Simplify right side
314,954.36x = 87,704,901,528.65 - Step 5: Solve for x
x = 87,704,901,528.65/314,954.36 - Step 6: Final answer
x = 278,468.61
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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.