Finding the Fourth Proportional to 313,245.74, 432,279.42 and 170,005.88
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Solution
The fourth proportional to 313,245.74, 432,279.42 and 170,005.88 is: 234,608.28
Step by Step Solution
- Step 1: Write the proportion equation
313,245.74 : 432,279.42 = 170,005.88 : x - Step 2: Convert to fraction form
313,245.74/432,279.42 = 170,005.88/x - Step 3: Cross multiply
313,245.74x = 432,279.42 × 170,005.88 - Step 4: Simplify right side
313,245.74x = 73,490,043,202.99 - Step 5: Solve for x
x = 73,490,043,202.99/313,245.74 - Step 6: Final answer
x = 234,608.28
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1.5x scale
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.