Finding the Fourth Proportional to 196,784.05, 271,559.73 and 110,742.70
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Solution
The fourth proportional to 196,784.05, 271,559.73 and 110,742.70 is: 152,823.65
Step by Step Solution
- Step 1: Write the proportion equation
196,784.05 : 271,559.73 = 110,742.70 : x - Step 2: Convert to fraction form
196,784.05/271,559.73 = 110,742.70/x - Step 3: Cross multiply
196,784.05x = 271,559.73 × 110,742.70 - Step 4: Simplify right side
196,784.05x = 30,073,257,711.47 - Step 5: Solve for x
x = 30,073,257,711.47/196,784.05 - Step 6: Final answer
x = 152,823.65
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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.