Finding the Fourth Proportional to 381,525.36, 572,341.68 and 115,255.68
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Solution
The fourth proportional to 381,525.36, 572,341.68 and 115,255.68 is: 172,899.72
Step by Step Solution
- Step 1: Write the proportion equation
381,525.36 : 572,341.68 = 115,255.68 : x - Step 2: Convert to fraction form
381,525.36/572,341.68 = 115,255.68/x - Step 3: Cross multiply
381,525.36x = 572,341.68 × 115,255.68 - Step 4: Simplify right side
381,525.36x = 65,965,629,520.74 - Step 5: Solve for x
x = 65,965,629,520.74/381,525.36 - Step 6: Final answer
x = 172,899.72
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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.