Finding the Fourth Proportional to 282,279.38, 423,564.26 and 187,574.99
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Solution
The fourth proportional to 282,279.38, 423,564.26 and 187,574.99 is: 281,458.96
Step by Step Solution
- Step 1: Write the proportion equation
282,279.38 : 423,564.26 = 187,574.99 : x - Step 2: Convert to fraction form
282,279.38/423,564.26 = 187,574.99/x - Step 3: Cross multiply
282,279.38x = 423,564.26 × 187,574.99 - Step 4: Simplify right side
282,279.38x = 79,450,058,778.16 - Step 5: Solve for x
x = 79,450,058,778.16/282,279.38 - Step 6: Final answer
x = 281,458.96
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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.