Finding the Fourth Proportional to 483,691.80, 725,537.70 and 188,203.80
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Solution
The fourth proportional to 483,691.80, 725,537.70 and 188,203.80 is: 282,305.70
Step by Step Solution
- Step 1: Write the proportion equation
483,691.80 : 725,537.70 = 188,203.80 : x - Step 2: Convert to fraction form
483,691.80/725,537.70 = 188,203.80/x - Step 3: Cross multiply
483,691.80x = 725,537.70 × 188,203.80 - Step 4: Simplify right side
483,691.80x = 136,548,952,183.26 - Step 5: Solve for x
x = 136,548,952,183.26/483,691.80 - Step 6: Final answer
x = 282,305.70
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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.