Finding the Fourth Proportional to 272,442.33, 408,659.39 and 122,576.79
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Solution
The fourth proportional to 272,442.33, 408,659.39 and 122,576.79 is: 183,863.34
Step by Step Solution
- Step 1: Write the proportion equation
272,442.33 : 408,659.39 = 122,576.79 : x - Step 2: Convert to fraction form
272,442.33/408,659.39 = 122,576.79/x - Step 3: Cross multiply
272,442.33x = 408,659.39 × 122,576.79 - Step 4: Simplify right side
272,442.33x = 50,092,155,616.67 - Step 5: Solve for x
x = 50,092,155,616.67/272,442.33 - Step 6: Final answer
x = 183,863.34
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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.