Finding the Fourth Proportional to 301,460.09, 451,846.14 and 121,430.23
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Solution
The fourth proportional to 301,460.09, 451,846.14 and 121,430.23 is: 182,006.78
Step by Step Solution
- Step 1: Write the proportion equation
301,460.09 : 451,846.14 = 121,430.23 : x - Step 2: Convert to fraction form
301,460.09/451,846.14 = 121,430.23/x - Step 3: Cross multiply
301,460.09x = 451,846.14 × 121,430.23 - Step 4: Simplify right side
301,460.09x = 54,867,780,704.81 - Step 5: Solve for x
x = 54,867,780,704.81/301,460.09 - Step 6: Final answer
x = 182,006.78
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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.