Finding the Fourth Proportional to 201,526.85, 278,106.99 and 110,880.92
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Solution
The fourth proportional to 201,526.85, 278,106.99 and 110,880.92 is: 153,015.63
Step by Step Solution
- Step 1: Write the proportion equation
201,526.85 : 278,106.99 = 110,880.92 : x - Step 2: Convert to fraction form
201,526.85/278,106.99 = 110,880.92/x - Step 3: Cross multiply
201,526.85x = 278,106.99 × 110,880.92 - Step 4: Simplify right side
201,526.85x = 30,836,758,909.63 - Step 5: Solve for x
x = 30,836,758,909.63/201,526.85 - Step 6: Final answer
x = 153,015.63
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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.