Finding the Fourth Proportional to 225,955.08, 311,818.38 and 125,353.08
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Solution
The fourth proportional to 225,955.08, 311,818.38 and 125,353.08 is: 172,987.46
Step by Step Solution
- Step 1: Write the proportion equation
225,955.08 : 311,818.38 = 125,353.08 : x - Step 2: Convert to fraction form
225,955.08/311,818.38 = 125,353.08/x - Step 3: Cross multiply
225,955.08x = 311,818.38 × 125,353.08 - Step 4: Simplify right side
225,955.08x = 39,087,394,333.61 - Step 5: Solve for x
x = 39,087,394,333.61/225,955.08 - Step 6: Final answer
x = 172,987.46
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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.