Finding the Fourth Proportional to 185,695.44, 278,739.96 and 115,624.08
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Solution
The fourth proportional to 185,695.44, 278,739.96 and 115,624.08 is: 173,558.66
Step by Step Solution
- Step 1: Write the proportion equation
185,695.44 : 278,739.96 = 115,624.08 : x - Step 2: Convert to fraction form
185,695.44/278,739.96 = 115,624.08/x - Step 3: Cross multiply
185,695.44x = 278,739.96 × 115,624.08 - Step 4: Simplify right side
185,695.44x = 32,229,051,434.24 - Step 5: Solve for x
x = 32,229,051,434.24/185,695.44 - Step 6: Final answer
x = 173,558.66
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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.