Finding the Fourth Proportional to 186,154.93, 279,135.69 and 91,343.62
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Solution
The fourth proportional to 186,154.93, 279,135.69 and 91,343.62 is: 136,967.98
Step by Step Solution
- Step 1: Write the proportion equation
186,154.93 : 279,135.69 = 91,343.62 : x - Step 2: Convert to fraction form
186,154.93/279,135.69 = 91,343.62/x - Step 3: Cross multiply
186,154.93x = 279,135.69 × 91,343.62 - Step 4: Simplify right side
186,154.93x = 25,497,264,395.80 - Step 5: Solve for x
x = 25,497,264,395.80/186,154.93 - Step 6: Final answer
x = 136,967.98
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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.