Finding the Fourth Proportional to 194,767.28, 291,974.58 and 76,406.84
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Solution
The fourth proportional to 194,767.28, 291,974.58 and 76,406.84 is: 114,541.08
Step by Step Solution
- Step 1: Write the proportion equation
194,767.28 : 291,974.58 = 76,406.84 : x - Step 2: Convert to fraction form
194,767.28/291,974.58 = 76,406.84/x - Step 3: Cross multiply
194,767.28x = 291,974.58 × 76,406.84 - Step 4: Simplify right side
194,767.28x = 22,308,853,558.25 - Step 5: Solve for x
x = 22,308,853,558.25/194,767.28 - Step 6: Final answer
x = 114,541.08
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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.