Finding the Fourth Proportional to 330,615.43, 456,299.17 and 201,628.74
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Solution
The fourth proportional to 330,615.43, 456,299.17 and 201,628.74 is: 278,278.08
Step by Step Solution
- Step 1: Write the proportion equation
330,615.43 : 456,299.17 = 201,628.74 : x - Step 2: Convert to fraction form
330,615.43/456,299.17 = 201,628.74/x - Step 3: Cross multiply
330,615.43x = 456,299.17 × 201,628.74 - Step 4: Simplify right side
330,615.43x = 92,003,026,710.15 - Step 5: Solve for x
x = 92,003,026,710.15/330,615.43 - Step 6: Final answer
x = 278,278.08
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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.