Finding the Fourth Proportional to 485,260.80, 726,163.20 and 307,852.80
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Solution
The fourth proportional to 485,260.80, 726,163.20 and 307,852.80 is: 460,682.94
Step by Step Solution
- Step 1: Write the proportion equation
485,260.80 : 726,163.20 = 307,852.80 : x - Step 2: Convert to fraction form
485,260.80/726,163.20 = 307,852.80/x - Step 3: Cross multiply
485,260.80x = 726,163.20 × 307,852.80 - Step 4: Simplify right side
485,260.80x = 223,551,374,376.96 - Step 5: Solve for x
x = 223,551,374,376.96/485,260.80 - Step 6: Final answer
x = 460,682.94
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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.