Finding the Fourth Proportional to 225,929.76, 338,923.68 and 68,174.08
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Solution
The fourth proportional to 225,929.76, 338,923.68 and 68,174.08 is: 102,269.88
Step by Step Solution
- Step 1: Write the proportion equation
225,929.76 : 338,923.68 = 68,174.08 : x - Step 2: Convert to fraction form
225,929.76/338,923.68 = 68,174.08/x - Step 3: Cross multiply
225,929.76x = 338,923.68 × 68,174.08 - Step 4: Simplify right side
225,929.76x = 23,105,810,074.21 - Step 5: Solve for x
x = 23,105,810,074.21/225,929.76 - Step 6: Final answer
x = 102,269.88
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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.