Finding the Fourth Proportional to 125,002.56, 172,469.36 and 71,267.98
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Solution
The fourth proportional to 125,002.56, 172,469.36 and 71,267.98 is: 98,330.33
Step by Step Solution
- Step 1: Write the proportion equation
125,002.56 : 172,469.36 = 71,267.98 : x - Step 2: Convert to fraction form
125,002.56/172,469.36 = 71,267.98/x - Step 3: Cross multiply
125,002.56x = 172,469.36 × 71,267.98 - Step 4: Simplify right side
125,002.56x = 12,291,542,899.09 - Step 5: Solve for x
x = 12,291,542,899.09/125,002.56 - Step 6: Final answer
x = 98,330.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.