Finding the Fourth Proportional to 403,317.39, 605,067.12 and 133,444.92
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Solution
The fourth proportional to 403,317.39, 605,067.12 and 133,444.92 is: 200,197.50
Step by Step Solution
- Step 1: Write the proportion equation
403,317.39 : 605,067.12 = 133,444.92 : x - Step 2: Convert to fraction form
403,317.39/605,067.12 = 133,444.92/x - Step 3: Cross multiply
403,317.39x = 605,067.12 × 133,444.92 - Step 4: Simplify right side
403,317.39x = 80,743,133,423.03 - Step 5: Solve for x
x = 80,743,133,423.03/403,317.39 - Step 6: Final answer
x = 200,197.50
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1.5x scale
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.