Finding the Fourth Proportional to 415,408.30, 622,846.26 and 175,457.14
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Solution
The fourth proportional to 415,408.30, 622,846.26 and 175,457.14 is: 263,073.28
Step by Step Solution
- Step 1: Write the proportion equation
415,408.30 : 622,846.26 = 175,457.14 : x - Step 2: Convert to fraction form
415,408.30/622,846.26 = 175,457.14/x - Step 3: Cross multiply
415,408.30x = 622,846.26 × 175,457.14 - Step 4: Simplify right side
415,408.30x = 109,282,821,882.18 - Step 5: Solve for x
x = 109,282,821,882.18/415,408.30 - Step 6: Final answer
x = 263,073.28
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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.