Finding the Fourth Proportional to 272,296.96, 408,464.97 and 72,616.30
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Solution
The fourth proportional to 272,296.96, 408,464.97 and 72,616.30 is: 108,929.66
Step by Step Solution
- Step 1: Write the proportion equation
272,296.96 : 408,464.97 = 72,616.30 : x - Step 2: Convert to fraction form
272,296.96/408,464.97 = 72,616.30/x - Step 3: Cross multiply
272,296.96x = 408,464.97 × 72,616.30 - Step 4: Simplify right side
272,296.96x = 29,661,214,801.01 - Step 5: Solve for x
x = 29,661,214,801.01/272,296.96 - Step 6: Final answer
x = 108,929.66
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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.