Finding the Fourth Proportional to 185,877.99, 278,660.23 and 80,617.68
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Solution
The fourth proportional to 185,877.99, 278,660.23 and 80,617.68 is: 120,858.53
Step by Step Solution
- Step 1: Write the proportion equation
185,877.99 : 278,660.23 = 80,617.68 : x - Step 2: Convert to fraction form
185,877.99/278,660.23 = 80,617.68/x - Step 3: Cross multiply
185,877.99x = 278,660.23 × 80,617.68 - Step 4: Simplify right side
185,877.99x = 22,464,941,250.87 - Step 5: Solve for x
x = 22,464,941,250.87/185,877.99 - Step 6: Final answer
x = 120,858.53
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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.