Finding the Fourth Proportional to 185,789.77, 278,651.84 and 73,432.64
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Solution
The fourth proportional to 185,789.77, 278,651.84 and 73,432.64 is: 110,135.99
Step by Step Solution
- Step 1: Write the proportion equation
185,789.77 : 278,651.84 = 73,432.64 : x - Step 2: Convert to fraction form
185,789.77/278,651.84 = 73,432.64/x - Step 3: Cross multiply
185,789.77x = 278,651.84 × 73,432.64 - Step 4: Simplify right side
185,789.77x = 20,462,140,068.48 - Step 5: Solve for x
x = 20,462,140,068.48/185,789.77 - Step 6: Final answer
x = 110,135.99
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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.