Finding the Fourth Proportional to 403,246.40, 604,869.60 and 263,163.20
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Solution
The fourth proportional to 403,246.40, 604,869.60 and 263,163.20 is: 394,744.80
Step by Step Solution
- Step 1: Write the proportion equation
403,246.40 : 604,869.60 = 263,163.20 : x - Step 2: Convert to fraction form
403,246.40/604,869.60 = 263,163.20/x - Step 3: Cross multiply
403,246.40x = 604,869.60 × 263,163.20 - Step 4: Simplify right side
403,246.40x = 159,179,419,518.72 - Step 5: Solve for x
x = 159,179,419,518.72/403,246.40 - Step 6: Final answer
x = 394,744.80
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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.