Finding the Fourth Proportional to 192,980.67, 265,718.87 and 171,433.05
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Solution
The fourth proportional to 192,980.67, 265,718.87 and 171,433.05 is: 236,049.53
Step by Step Solution
- Step 1: Write the proportion equation
192,980.67 : 265,718.87 = 171,433.05 : x - Step 2: Convert to fraction form
192,980.67/265,718.87 = 171,433.05/x - Step 3: Cross multiply
192,980.67x = 265,718.87 × 171,433.05 - Step 4: Simplify right side
192,980.67x = 45,552,996,326.65 - Step 5: Solve for x
x = 45,552,996,326.65/192,980.67 - Step 6: Final answer
x = 236,049.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.