Finding the Fourth Proportional to 538,901.95, 743,689.88 and 297,193.09
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Solution
The fourth proportional to 538,901.95, 743,689.88 and 297,193.09 is: 410,129.32
Step by Step Solution
- Step 1: Write the proportion equation
538,901.95 : 743,689.88 = 297,193.09 : x - Step 2: Convert to fraction form
538,901.95/743,689.88 = 297,193.09/x - Step 3: Cross multiply
538,901.95x = 743,689.88 × 297,193.09 - Step 4: Simplify right side
538,901.95x = 221,019,491,952.96 - Step 5: Solve for x
x = 221,019,491,952.96/538,901.95 - Step 6: Final answer
x = 410,129.32
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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.