Finding the Fourth Proportional to 307,120.41, 460,746.21 and 107,447.31
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Solution
The fourth proportional to 307,120.41, 460,746.21 and 107,447.31 is: 161,193.91
Step by Step Solution
- Step 1: Write the proportion equation
307,120.41 : 460,746.21 = 107,447.31 : x - Step 2: Convert to fraction form
307,120.41/460,746.21 = 107,447.31/x - Step 3: Cross multiply
307,120.41x = 460,746.21 × 107,447.31 - Step 4: Simplify right side
307,120.41x = 49,505,940,857.20 - Step 5: Solve for x
x = 49,505,940,857.20/307,120.41 - Step 6: Final answer
x = 161,193.91
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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.