Finding the Fourth Proportional to 307,429.21, 461,318.76 and 245,493.37
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Solution
The fourth proportional to 307,429.21, 461,318.76 and 245,493.37 is: 368,379.75
Step by Step Solution
- Step 1: Write the proportion equation
307,429.21 : 461,318.76 = 245,493.37 : x - Step 2: Convert to fraction form
307,429.21/461,318.76 = 245,493.37/x - Step 3: Cross multiply
307,429.21x = 461,318.76 × 245,493.37 - Step 4: Simplify right side
307,429.21x = 113,250,694,730.03 - Step 5: Solve for x
x = 113,250,694,730.03/307,429.21 - Step 6: Final answer
x = 368,379.75
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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.