Finding the Fourth Proportional to 189,406.80, 283,591.80 and 147,934.80
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Solution
The fourth proportional to 189,406.80, 283,591.80 and 147,934.80 is: 221,497.31
Step by Step Solution
- Step 1: Write the proportion equation
189,406.80 : 283,591.80 = 147,934.80 : x - Step 2: Convert to fraction form
189,406.80/283,591.80 = 147,934.80/x - Step 3: Cross multiply
189,406.80x = 283,591.80 × 147,934.80 - Step 4: Simplify right side
189,406.80x = 41,953,096,214.64 - Step 5: Solve for x
x = 41,953,096,214.64/189,406.80 - Step 6: Final answer
x = 221,497.31
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1.5x scale
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.