Finding the Fourth Proportional to 403,291.57, 605,028.49 and 133,419.07
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Solution
The fourth proportional to 403,291.57, 605,028.49 and 133,419.07 is: 200,158.75
Step by Step Solution
- Step 1: Write the proportion equation
403,291.57 : 605,028.49 = 133,419.07 : x - Step 2: Convert to fraction form
403,291.57/605,028.49 = 133,419.07/x - Step 3: Cross multiply
403,291.57x = 605,028.49 × 133,419.07 - Step 4: Simplify right side
403,291.57x = 80,722,338,459.30 - Step 5: Solve for x
x = 80,722,338,459.30/403,291.57 - Step 6: Final answer
x = 200,158.75
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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.