Finding the Fourth Proportional to 381,349.58, 572,174.85 and 144,755.06
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Solution
The fourth proportional to 381,349.58, 572,174.85 and 144,755.06 is: 217,189.71
Step by Step Solution
- Step 1: Write the proportion equation
381,349.58 : 572,174.85 = 144,755.06 : x - Step 2: Convert to fraction form
381,349.58/572,174.85 = 144,755.06/x - Step 3: Cross multiply
381,349.58x = 572,174.85 × 144,755.06 - Step 4: Simplify right side
381,349.58x = 82,825,204,742.24 - Step 5: Solve for x
x = 82,825,204,742.24/381,349.58 - Step 6: Final answer
x = 217,189.71
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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.