Finding the Fourth Proportional to 185,965.32, 278,932.18 and 73,614.99
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Solution
The fourth proportional to 185,965.32, 278,932.18 and 73,614.99 is: 110,416.23
Step by Step Solution
- Step 1: Write the proportion equation
185,965.32 : 278,932.18 = 73,614.99 : x - Step 2: Convert to fraction form
185,965.32/278,932.18 = 73,614.99/x - Step 3: Cross multiply
185,965.32x = 278,932.18 × 73,614.99 - Step 4: Simplify right side
185,965.32x = 20,533,589,641.38 - Step 5: Solve for x
x = 20,533,589,641.38/185,965.32 - Step 6: Final answer
x = 110,416.23
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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.