Finding the Fourth Proportional to 186,739.74, 279,698.10 and 154,351.08
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Solution
The fourth proportional to 186,739.74, 279,698.10 and 154,351.08 is: 231,186.48
Step by Step Solution
- Step 1: Write the proportion equation
186,739.74 : 279,698.10 = 154,351.08 : x - Step 2: Convert to fraction form
186,739.74/279,698.10 = 154,351.08/x - Step 3: Cross multiply
186,739.74x = 279,698.10 × 154,351.08 - Step 4: Simplify right side
186,739.74x = 43,171,703,808.95 - Step 5: Solve for x
x = 43,171,703,808.95/186,739.74 - Step 6: Final answer
x = 231,186.48
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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.