Finding the Fourth Proportional to 638,324.08, 957,704.84 and 217,895.20
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Solution
The fourth proportional to 638,324.08, 957,704.84 and 217,895.20 is: 326,917.46
Step by Step Solution
- Step 1: Write the proportion equation
638,324.08 : 957,704.84 = 217,895.20 : x - Step 2: Convert to fraction form
638,324.08/957,704.84 = 217,895.20/x - Step 3: Cross multiply
638,324.08x = 957,704.84 × 217,895.20 - Step 4: Simplify right side
638,324.08x = 208,679,287,652.77 - Step 5: Solve for x
x = 208,679,287,652.77/638,324.08 - Step 6: Final answer
x = 326,917.46
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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.