Finding the Fourth Proportional to 417,675.10, 576,392.21 and 226,688.49
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Solution
The fourth proportional to 417,675.10, 576,392.21 and 226,688.49 is: 312,830.43
Step by Step Solution
- Step 1: Write the proportion equation
417,675.10 : 576,392.21 = 226,688.49 : x - Step 2: Convert to fraction form
417,675.10/576,392.21 = 226,688.49/x - Step 3: Cross multiply
417,675.10x = 576,392.21 × 226,688.49 - Step 4: Simplify right side
417,675.10x = 130,661,479,732.66 - Step 5: Solve for x
x = 130,661,479,732.66/417,675.10 - Step 6: Final answer
x = 312,830.43
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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.