Finding the Fourth Proportional to 185,752.20, 278,647.74 and 115,573.80
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Solution
The fourth proportional to 185,752.20, 278,647.74 and 115,573.80 is: 173,372.80
Step by Step Solution
- Step 1: Write the proportion equation
185,752.20 : 278,647.74 = 115,573.80 : x - Step 2: Convert to fraction form
185,752.20/278,647.74 = 115,573.80/x - Step 3: Cross multiply
185,752.20x = 278,647.74 × 115,573.80 - Step 4: Simplify right side
185,752.20x = 32,204,378,173.21 - Step 5: Solve for x
x = 32,204,378,173.21/185,752.20 - Step 6: Final answer
x = 173,372.80
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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.