Finding the Fourth Proportional to 282,841.14, 390,322.26 and 155,524.98
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Solution
The fourth proportional to 282,841.14, 390,322.26 and 155,524.98 is: 214,625.29
Step by Step Solution
- Step 1: Write the proportion equation
282,841.14 : 390,322.26 = 155,524.98 : x - Step 2: Convert to fraction form
282,841.14/390,322.26 = 155,524.98/x - Step 3: Cross multiply
282,841.14x = 390,322.26 × 155,524.98 - Step 4: Simplify right side
282,841.14x = 60,704,861,680.05 - Step 5: Solve for x
x = 60,704,861,680.05/282,841.14 - Step 6: Final answer
x = 214,625.29
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.