Finding the Fourth Proportional to 391,726.06, 587,673.68 and 121,849.06
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Solution
The fourth proportional to 391,726.06, 587,673.68 and 121,849.06 is: 182,799.90
Step by Step Solution
- Step 1: Write the proportion equation
391,726.06 : 587,673.68 = 121,849.06 : x - Step 2: Convert to fraction form
391,726.06/587,673.68 = 121,849.06/x - Step 3: Cross multiply
391,726.06x = 587,673.68 × 121,849.06 - Step 4: Simplify right side
391,726.06x = 71,607,481,947.13 - Step 5: Solve for x
x = 71,607,481,947.13/391,726.06 - Step 6: Final answer
x = 182,799.90
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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.