Finding the Fourth Proportional to 307,501.44, 461,457.36 and 107,821.68
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Solution
The fourth proportional to 307,501.44, 461,457.36 and 107,821.68 is: 161,804.47
Step by Step Solution
- Step 1: Write the proportion equation
307,501.44 : 461,457.36 = 107,821.68 : x - Step 2: Convert to fraction form
307,501.44/461,457.36 = 107,821.68/x - Step 3: Cross multiply
307,501.44x = 461,457.36 × 107,821.68 - Step 4: Simplify right side
307,501.44x = 49,755,107,803.56 - Step 5: Solve for x
x = 49,755,107,803.56/307,501.44 - Step 6: Final answer
x = 161,804.47
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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.