Finding the Fourth Proportional to 409,699.44, 564,954.12 and 323,515.44
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Solution
The fourth proportional to 409,699.44, 564,954.12 and 323,515.44 is: 446,110.89
Step by Step Solution
- Step 1: Write the proportion equation
409,699.44 : 564,954.12 = 323,515.44 : x - Step 2: Convert to fraction form
409,699.44/564,954.12 = 323,515.44/x - Step 3: Cross multiply
409,699.44x = 564,954.12 × 323,515.44 - Step 4: Simplify right side
409,699.44x = 182,771,380,711.61 - Step 5: Solve for x
x = 182,771,380,711.61/409,699.44 - Step 6: Final answer
x = 446,110.89
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.