Finding the Fourth Proportional to 378,415.49, 567,774.71 and 153,793.18
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Solution
The fourth proportional to 378,415.49, 567,774.71 and 153,793.18 is: 230,751.32
Step by Step Solution
- Step 1: Write the proportion equation
378,415.49 : 567,774.71 = 153,793.18 : x - Step 2: Convert to fraction form
378,415.49/567,774.71 = 153,793.18/x - Step 3: Cross multiply
378,415.49x = 567,774.71 × 153,793.18 - Step 4: Simplify right side
378,415.49x = 87,319,874,566.64 - Step 5: Solve for x
x = 87,319,874,566.64/378,415.49 - Step 6: Final answer
x = 230,751.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.