Finding the Fourth Proportional to 429,972.58, 645,036.42 and 177,115.08
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Solution
The fourth proportional to 429,972.58, 645,036.42 and 177,115.08 is: 265,704.56
Step by Step Solution
- Step 1: Write the proportion equation
429,972.58 : 645,036.42 = 177,115.08 : x - Step 2: Convert to fraction form
429,972.58/645,036.42 = 177,115.08/x - Step 3: Cross multiply
429,972.58x = 645,036.42 × 177,115.08 - Step 4: Simplify right side
429,972.58x = 114,245,677,131.21 - Step 5: Solve for x
x = 114,245,677,131.21/429,972.58 - Step 6: Final answer
x = 265,704.56
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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.