Finding the Fourth Proportional to 401,380.70, 554,195.97 and 258,389.88
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Solution
The fourth proportional to 401,380.70, 554,195.97 and 258,389.88 is: 356,765.12
Step by Step Solution
- Step 1: Write the proportion equation
401,380.70 : 554,195.97 = 258,389.88 : x - Step 2: Convert to fraction form
401,380.70/554,195.97 = 258,389.88/x - Step 3: Cross multiply
401,380.70x = 554,195.97 × 258,389.88 - Step 4: Simplify right side
401,380.70x = 143,198,630,184.78 - Step 5: Solve for x
x = 143,198,630,184.78/401,380.70 - Step 6: Final answer
x = 356,765.12
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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.