Finding the Fourth Proportional to 417,651.19, 576,358.94 and 226,664.58
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Solution
The fourth proportional to 417,651.19, 576,358.94 and 226,664.58 is: 312,797.28
Step by Step Solution
- Step 1: Write the proportion equation
417,651.19 : 576,358.94 = 226,664.58 : x - Step 2: Convert to fraction form
417,651.19/576,358.94 = 226,664.58/x - Step 3: Cross multiply
417,651.19x = 576,358.94 × 226,664.58 - Step 4: Simplify right side
417,651.19x = 130,640,154,490.13 - Step 5: Solve for x
x = 130,640,154,490.13/417,651.19 - Step 6: Final answer
x = 312,797.28
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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.