Finding the Fourth Proportional to 213,537.56, 320,306.40 and 55,764.65
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Solution
The fourth proportional to 213,537.56, 320,306.40 and 55,764.65 is: 83,646.99
Step by Step Solution
- Step 1: Write the proportion equation
213,537.56 : 320,306.40 = 55,764.65 : x - Step 2: Convert to fraction form
213,537.56/320,306.40 = 55,764.65/x - Step 3: Cross multiply
213,537.56x = 320,306.40 × 55,764.65 - Step 4: Simplify right side
213,537.56x = 17,861,774,288.76 - Step 5: Solve for x
x = 17,861,774,288.76/213,537.56 - Step 6: Final answer
x = 83,646.99
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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.