Finding the Fourth Proportional to 403,685.28, 605,634.30 and 201,340.80
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Solution
The fourth proportional to 403,685.28, 605,634.30 and 201,340.80 is: 302,064.26
Step by Step Solution
- Step 1: Write the proportion equation
403,685.28 : 605,634.30 = 201,340.80 : x - Step 2: Convert to fraction form
403,685.28/605,634.30 = 201,340.80/x - Step 3: Cross multiply
403,685.28x = 605,634.30 × 201,340.80 - Step 4: Simplify right side
403,685.28x = 121,938,894,469.44 - Step 5: Solve for x
x = 121,938,894,469.44/403,685.28 - Step 6: Final answer
x = 302,064.26
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.