Finding the Fourth Proportional to 413,533.98, 619,218.36 and 270,930.65
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Solution
The fourth proportional to 413,533.98, 619,218.36 and 270,930.65 is: 405,686.69
Step by Step Solution
- Step 1: Write the proportion equation
413,533.98 : 619,218.36 = 270,930.65 : x - Step 2: Convert to fraction form
413,533.98/619,218.36 = 270,930.65/x - Step 3: Cross multiply
413,533.98x = 619,218.36 × 270,930.65 - Step 4: Simplify right side
413,533.98x = 167,765,229,670.64 - Step 5: Solve for x
x = 167,765,229,670.64/413,533.98 - Step 6: Final answer
x = 405,686.69
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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.