Finding the Fourth Proportional to 446,309.68, 669,464.16 and 113,885.68
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Solution
The fourth proportional to 446,309.68, 669,464.16 and 113,885.68 is: 170,828.43
Step by Step Solution
- Step 1: Write the proportion equation
446,309.68 : 669,464.16 = 113,885.68 : x - Step 2: Convert to fraction form
446,309.68/669,464.16 = 113,885.68/x - Step 3: Cross multiply
446,309.68x = 669,464.16 × 113,885.68 - Step 4: Simplify right side
446,309.68x = 76,242,381,097.23 - Step 5: Solve for x
x = 76,242,381,097.23/446,309.68 - Step 6: Final answer
x = 170,828.43
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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.