Finding the Fourth Proportional to 158,632.65, 237,481.49 and 138,949.65
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Solution
The fourth proportional to 158,632.65, 237,481.49 and 138,949.65 is: 208,014.99
Step by Step Solution
- Step 1: Write the proportion equation
158,632.65 : 237,481.49 = 138,949.65 : x - Step 2: Convert to fraction form
158,632.65/237,481.49 = 138,949.65/x - Step 3: Cross multiply
158,632.65x = 237,481.49 × 138,949.65 - Step 4: Simplify right side
158,632.65x = 32,997,969,222.23 - Step 5: Solve for x
x = 32,997,969,222.23/158,632.65 - Step 6: Final answer
x = 208,014.99
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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.