Finding the Fourth Proportional to 330,612.75, 456,295.47 and 201,626.06
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Solution
The fourth proportional to 330,612.75, 456,295.47 and 201,626.06 is: 278,274.37
Step by Step Solution
- Step 1: Write the proportion equation
330,612.75 : 456,295.47 = 201,626.06 : x - Step 2: Convert to fraction form
330,612.75/456,295.47 = 201,626.06/x - Step 3: Cross multiply
330,612.75x = 456,295.47 × 201,626.06 - Step 4: Simplify right side
330,612.75x = 92,001,054,774.37 - Step 5: Solve for x
x = 92,001,054,774.37/330,612.75 - Step 6: Final answer
x = 278,274.37
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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.