Finding the Fourth Proportional to 330,620.79, 456,306.56 and 201,634.11
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Solution
The fourth proportional to 330,620.79, 456,306.56 and 201,634.11 is: 278,285.48
Step by Step Solution
- Step 1: Write the proportion equation
330,620.79 : 456,306.56 = 201,634.11 : x - Step 2: Convert to fraction form
330,620.79/456,306.56 = 201,634.11/x - Step 3: Cross multiply
330,620.79x = 456,306.56 × 201,634.11 - Step 4: Simplify right side
330,620.79x = 92,006,966,104.59 - Step 5: Solve for x
x = 92,006,966,104.59/330,620.79 - Step 6: Final answer
x = 278,285.48
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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.