Finding the Fourth Proportional to 417,751.92, 576,503.64 and 226,765.68
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Solution
The fourth proportional to 417,751.92, 576,503.64 and 226,765.68 is: 312,939.89
Step by Step Solution
- Step 1: Write the proportion equation
417,751.92 : 576,503.64 = 226,765.68 : x - Step 2: Convert to fraction form
417,751.92/576,503.64 = 226,765.68/x - Step 3: Cross multiply
417,751.92x = 576,503.64 × 226,765.68 - Step 4: Simplify right side
417,751.92x = 130,731,239,947.08 - Step 5: Solve for x
x = 130,731,239,947.08/417,751.92 - Step 6: Final answer
x = 312,939.89
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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.