Finding the Fourth Proportional to 225,405.68, 311,059.86 and 124,803.68
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Solution
The fourth proportional to 225,405.68, 311,059.86 and 124,803.68 is: 172,229.09
Step by Step Solution
- Step 1: Write the proportion equation
225,405.68 : 311,059.86 = 124,803.68 : x - Step 2: Convert to fraction form
225,405.68/311,059.86 = 124,803.68/x - Step 3: Cross multiply
225,405.68x = 311,059.86 × 124,803.68 - Step 4: Simplify right side
225,405.68x = 38,821,415,228.28 - Step 5: Solve for x
x = 38,821,415,228.28/225,405.68 - Step 6: Final answer
x = 172,229.09
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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.