Finding the Fourth Proportional to 120,284.91, 180,426.56 and 94,011.75
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Solution
The fourth proportional to 120,284.91, 180,426.56 and 94,011.75 is: 141,016.99
Step by Step Solution
- Step 1: Write the proportion equation
120,284.91 : 180,426.56 = 94,011.75 : x - Step 2: Convert to fraction form
120,284.91/180,426.56 = 94,011.75/x - Step 3: Cross multiply
120,284.91x = 180,426.56 × 94,011.75 - Step 4: Simplify right side
120,284.91x = 16,962,216,182.02 - Step 5: Solve for x
x = 16,962,216,182.02/120,284.91 - Step 6: Final answer
x = 141,016.99
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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.