Finding the Fourth Proportional to 538,850.56, 743,579.40 and 297,134.68
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Solution
The fourth proportional to 538,850.56, 743,579.40 and 297,134.68 is: 410,026.90
Step by Step Solution
- Step 1: Write the proportion equation
538,850.56 : 743,579.40 = 297,134.68 : x - Step 2: Convert to fraction form
538,850.56/743,579.40 = 297,134.68/x - Step 3: Cross multiply
538,850.56x = 743,579.40 × 297,134.68 - Step 4: Simplify right side
538,850.56x = 220,943,227,073.59 - Step 5: Solve for x
x = 220,943,227,073.59/538,850.56 - Step 6: Final answer
x = 410,026.90
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.