Finding the Fourth Proportional to 391,338.00, 586,998.62 and 107,028.54
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Solution
The fourth proportional to 391,338.00, 586,998.62 and 107,028.54 is: 160,540.52
Step by Step Solution
- Step 1: Write the proportion equation
391,338.00 : 586,998.62 = 107,028.54 : x - Step 2: Convert to fraction form
391,338.00/586,998.62 = 107,028.54/x - Step 3: Cross multiply
391,338.00x = 586,998.62 × 107,028.54 - Step 4: Simplify right side
391,338.00x = 62,825,607,305.15 - Step 5: Solve for x
x = 62,825,607,305.15/391,338.00 - Step 6: Final answer
x = 160,540.52
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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.