Finding the Fourth Proportional to 110,079.23, 151,955.84 and 74,317.68
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Solution
The fourth proportional to 110,079.23, 151,955.84 and 74,317.68 is: 102,589.79
Step by Step Solution
- Step 1: Write the proportion equation
110,079.23 : 151,955.84 = 74,317.68 : x - Step 2: Convert to fraction form
110,079.23/151,955.84 = 74,317.68/x - Step 3: Cross multiply
110,079.23x = 151,955.84 × 74,317.68 - Step 4: Simplify right side
110,079.23x = 11,293,004,727.12 - Step 5: Solve for x
x = 11,293,004,727.12/110,079.23 - Step 6: Final answer
x = 102,589.79
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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.