Finding the Fourth Proportional to 194,675.28, 291,887.37 and 76,358.58
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Solution
The fourth proportional to 194,675.28, 291,887.37 and 76,358.58 is: 114,488.62
Step by Step Solution
- Step 1: Write the proportion equation
194,675.28 : 291,887.37 = 76,358.58 : x - Step 2: Convert to fraction form
194,675.28/291,887.37 = 76,358.58/x - Step 3: Cross multiply
194,675.28x = 291,887.37 × 76,358.58 - Step 4: Simplify right side
194,675.28x = 22,288,105,093.13 - Step 5: Solve for x
x = 22,288,105,093.13/194,675.28 - Step 6: Final answer
x = 114,488.62
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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.