Finding the Fourth Proportional to 126,944.28, 175,181.76 and 73,228.68
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Solution
The fourth proportional to 126,944.28, 175,181.76 and 73,228.68 is: 101,054.80
Step by Step Solution
- Step 1: Write the proportion equation
126,944.28 : 175,181.76 = 73,228.68 : x - Step 2: Convert to fraction form
126,944.28/175,181.76 = 73,228.68/x - Step 3: Cross multiply
126,944.28x = 175,181.76 × 73,228.68 - Step 4: Simplify right side
126,944.28x = 12,828,329,044.88 - Step 5: Solve for x
x = 12,828,329,044.88/126,944.28 - Step 6: Final answer
x = 101,054.80
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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.