Finding the Fourth Proportional to 331,369.10, 497,136.45 and 106,750.70
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Solution
The fourth proportional to 331,369.10, 497,136.45 and 106,750.70 is: 160,152.72
Step by Step Solution
- Step 1: Write the proportion equation
331,369.10 : 497,136.45 = 106,750.70 : x - Step 2: Convert to fraction form
331,369.10/497,136.45 = 106,750.70/x - Step 3: Cross multiply
331,369.10x = 497,136.45 × 106,750.70 - Step 4: Simplify right side
331,369.10x = 53,069,664,033.02 - Step 5: Solve for x
x = 53,069,664,033.02/331,369.10 - Step 6: Final answer
x = 160,152.72
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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.