Finding the Fourth Proportional to 417,624.81, 576,322.62 and 226,638.21
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Solution
The fourth proportional to 417,624.81, 576,322.62 and 226,638.21 is: 312,760.94
Step by Step Solution
- Step 1: Write the proportion equation
417,624.81 : 576,322.62 = 226,638.21 : x - Step 2: Convert to fraction form
417,624.81/576,322.62 = 226,638.21/x - Step 3: Cross multiply
417,624.81x = 576,322.62 × 226,638.21 - Step 4: Simplify right side
417,624.81x = 130,616,726,979.31 - Step 5: Solve for x
x = 130,616,726,979.31/417,624.81 - Step 6: Final answer
x = 312,760.94
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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.