Finding the Fourth Proportional to 328,902.72, 493,354.11 and 79,584.72
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Solution
The fourth proportional to 328,902.72, 493,354.11 and 79,584.72 is: 119,377.09
Step by Step Solution
- Step 1: Write the proportion equation
328,902.72 : 493,354.11 = 79,584.72 : x - Step 2: Convert to fraction form
328,902.72/493,354.11 = 79,584.72/x - Step 3: Cross multiply
328,902.72x = 493,354.11 × 79,584.72 - Step 4: Simplify right side
328,902.72x = 39,263,448,705.20 - Step 5: Solve for x
x = 39,263,448,705.20/328,902.72 - Step 6: Final answer
x = 119,377.09
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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.