Finding the Fourth Proportional to 196,711.08, 294,568.35 and 121,977.20
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Solution
The fourth proportional to 196,711.08, 294,568.35 and 121,977.20 is: 182,656.82
Step by Step Solution
- Step 1: Write the proportion equation
196,711.08 : 294,568.35 = 121,977.20 : x - Step 2: Convert to fraction form
196,711.08/294,568.35 = 121,977.20/x - Step 3: Cross multiply
196,711.08x = 294,568.35 × 121,977.20 - Step 4: Simplify right side
196,711.08x = 35,930,621,068.78 - Step 5: Solve for x
x = 35,930,621,068.78/196,711.08 - Step 6: Final answer
x = 182,656.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.