Finding the Fourth Proportional to 169,865.99, 254,826.65 and 55,979.84
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Solution
The fourth proportional to 169,865.99, 254,826.65 and 55,979.84 is: 83,978.88
Step by Step Solution
- Step 1: Write the proportion equation
169,865.99 : 254,826.65 = 55,979.84 : x - Step 2: Convert to fraction form
169,865.99/254,826.65 = 55,979.84/x - Step 3: Cross multiply
169,865.99x = 254,826.65 × 55,979.84 - Step 4: Simplify right side
169,865.99x = 14,265,155,871.75 - Step 5: Solve for x
x = 14,265,155,871.75/169,865.99 - Step 6: Final answer
x = 83,978.88
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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.