Finding the Fourth Proportional to 194,688.44, 291,920.88 and 76,221.08
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Solution
The fourth proportional to 194,688.44, 291,920.88 and 76,221.08 is: 114,287.86
Step by Step Solution
- Step 1: Write the proportion equation
194,688.44 : 291,920.88 = 76,221.08 : x - Step 2: Convert to fraction form
194,688.44/291,920.88 = 76,221.08/x - Step 3: Cross multiply
194,688.44x = 291,920.88 × 76,221.08 - Step 4: Simplify right side
194,688.44x = 22,250,524,748.15 - Step 5: Solve for x
x = 22,250,524,748.15/194,688.44 - Step 6: Final answer
x = 114,287.86
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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.