Finding the Fourth Proportional to 381,211.26, 571,820.99 and 114,974.08
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Solution
The fourth proportional to 381,211.26, 571,820.99 and 114,974.08 is: 172,462.36
Step by Step Solution
- Step 1: Write the proportion equation
381,211.26 : 571,820.99 = 114,974.08 : x - Step 2: Convert to fraction form
381,211.26/571,820.99 = 114,974.08/x - Step 3: Cross multiply
381,211.26x = 571,820.99 × 114,974.08 - Step 4: Simplify right side
381,211.26x = 65,744,594,108.74 - Step 5: Solve for x
x = 65,744,594,108.74/381,211.26 - Step 6: Final answer
x = 172,462.36
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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.