Finding the Fourth Proportional to 228,338.88, 315,171.04 and 132,864.08
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Solution
The fourth proportional to 228,338.88, 315,171.04 and 132,864.08 is: 183,389.31
Step by Step Solution
- Step 1: Write the proportion equation
228,338.88 : 315,171.04 = 132,864.08 : x - Step 2: Convert to fraction form
228,338.88/315,171.04 = 132,864.08/x - Step 3: Cross multiply
228,338.88x = 315,171.04 × 132,864.08 - Step 4: Simplify right side
228,338.88x = 41,874,910,272.24 - Step 5: Solve for x
x = 41,874,910,272.24/228,338.88 - Step 6: Final answer
x = 183,389.31
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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.