Finding the Fourth Proportional to 110,340.05, 151,979.21 and 84,797.54
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Solution
The fourth proportional to 110,340.05, 151,979.21 and 84,797.54 is: 116,797.69
Step by Step Solution
- Step 1: Write the proportion equation
110,340.05 : 151,979.21 = 84,797.54 : x - Step 2: Convert to fraction form
110,340.05/151,979.21 = 84,797.54/x - Step 3: Cross multiply
110,340.05x = 151,979.21 × 84,797.54 - Step 4: Simplify right side
110,340.05x = 12,887,462,843.17 - Step 5: Solve for x
x = 12,887,462,843.17/110,340.05 - Step 6: Final answer
x = 116,797.69
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.