Finding the Fourth Proportional to 446,457.12, 669,681.60 and 180,028.96
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Solution
The fourth proportional to 446,457.12, 669,681.60 and 180,028.96 is: 270,041.79
Step by Step Solution
- Step 1: Write the proportion equation
446,457.12 : 669,681.60 = 180,028.96 : x - Step 2: Convert to fraction form
446,457.12/669,681.60 = 180,028.96/x - Step 3: Cross multiply
446,457.12x = 669,681.60 × 180,028.96 - Step 4: Simplify right side
446,457.12x = 120,562,081,979.14 - Step 5: Solve for x
x = 120,562,081,979.14/446,457.12 - Step 6: Final answer
x = 270,041.79
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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.