Finding the Fourth Proportional to 314,953.36, 434,526.60 and 201,838.48
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Solution
The fourth proportional to 314,953.36, 434,526.60 and 201,838.48 is: 278,467.23
Step by Step Solution
- Step 1: Write the proportion equation
314,953.36 : 434,526.60 = 201,838.48 : x - Step 2: Convert to fraction form
314,953.36/434,526.60 = 201,838.48/x - Step 3: Cross multiply
314,953.36x = 434,526.60 × 201,838.48 - Step 4: Simplify right side
314,953.36x = 87,704,188,463.57 - Step 5: Solve for x
x = 87,704,188,463.57/314,953.36 - Step 6: Final answer
x = 278,467.23
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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.