Finding the Fourth Proportional to 378,493.52, 567,740.36 and 153,976.08
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Solution
The fourth proportional to 378,493.52, 567,740.36 and 153,976.08 is: 230,964.15
Step by Step Solution
- Step 1: Write the proportion equation
378,493.52 : 567,740.36 = 153,976.08 : x - Step 2: Convert to fraction form
378,493.52/567,740.36 = 153,976.08/x - Step 3: Cross multiply
378,493.52x = 567,740.36 × 153,976.08 - Step 4: Simplify right side
378,493.52x = 87,418,435,090.59 - Step 5: Solve for x
x = 87,418,435,090.59/378,493.52 - Step 6: Final answer
x = 230,964.15
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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.