Finding the Fourth Proportional to 307,123.41, 460,750.71 and 107,450.31
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Solution
The fourth proportional to 307,123.41, 460,750.71 and 107,450.31 is: 161,198.41
Step by Step Solution
- Step 1: Write the proportion equation
307,123.41 : 460,750.71 = 107,450.31 : x - Step 2: Convert to fraction form
307,123.41/460,750.71 = 107,450.31/x - Step 3: Cross multiply
307,123.41x = 460,750.71 × 107,450.31 - Step 4: Simplify right side
307,123.41x = 49,507,806,622.22 - Step 5: Solve for x
x = 49,507,806,622.22/307,123.41 - Step 6: Final answer
x = 161,198.41
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1.5x scale
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.