Finding the Fourth Proportional to 313,546.35, 432,698.99 and 170,306.49
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Solution
The fourth proportional to 313,546.35, 432,698.99 and 170,306.49 is: 235,025.69
Step by Step Solution
- Step 1: Write the proportion equation
313,546.35 : 432,698.99 = 170,306.49 : x - Step 2: Convert to fraction form
313,546.35/432,698.99 = 170,306.49/x - Step 3: Cross multiply
313,546.35x = 432,698.99 × 170,306.49 - Step 4: Simplify right side
313,546.35x = 73,691,446,213.45 - Step 5: Solve for x
x = 73,691,446,213.45/313,546.35 - Step 6: Final answer
x = 235,025.69
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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.