Finding the Fourth Proportional to 281,029.08, 421,516.26 and 154,627.77
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Solution
The fourth proportional to 281,029.08, 421,516.26 and 154,627.77 is: 231,926.60
Step by Step Solution
- Step 1: Write the proportion equation
281,029.08 : 421,516.26 = 154,627.77 : x - Step 2: Convert to fraction form
281,029.08/421,516.26 = 154,627.77/x - Step 3: Cross multiply
281,029.08x = 421,516.26 × 154,627.77 - Step 4: Simplify right side
281,029.08x = 65,178,119,302.54 - Step 5: Solve for x
x = 65,178,119,302.54/281,029.08 - Step 6: Final answer
x = 231,926.60
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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.