Finding the Fourth Proportional to 225,884.91, 311,727.92 and 125,280.75
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Solution
The fourth proportional to 225,884.91, 311,727.92 and 125,280.75 is: 172,891.17
Step by Step Solution
- Step 1: Write the proportion equation
225,884.91 : 311,727.92 = 125,280.75 : x - Step 2: Convert to fraction form
225,884.91/311,727.92 = 125,280.75/x - Step 3: Cross multiply
225,884.91x = 311,727.92 × 125,280.75 - Step 4: Simplify right side
225,884.91x = 39,053,506,987.14 - Step 5: Solve for x
x = 39,053,506,987.14/225,884.91 - Step 6: Final answer
x = 172,891.17
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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.