Finding the Fourth Proportional to 638,260.01, 957,531.95 and 278,489.17
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Solution
The fourth proportional to 638,260.01, 957,531.95 and 278,489.17 is: 417,795.68
Step by Step Solution
- Step 1: Write the proportion equation
638,260.01 : 957,531.95 = 278,489.17 : x - Step 2: Convert to fraction form
638,260.01/957,531.95 = 278,489.17/x - Step 3: Cross multiply
638,260.01x = 957,531.95 × 278,489.17 - Step 4: Simplify right side
638,260.01x = 266,662,278,003.98 - Step 5: Solve for x
x = 266,662,278,003.98/638,260.01 - Step 6: Final answer
x = 417,795.68
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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.