Finding the Fourth Proportional to 255,805.44, 383,747.68 and 87,286.40
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Solution
The fourth proportional to 255,805.44, 383,747.68 and 87,286.40 is: 130,943.09
Step by Step Solution
- Step 1: Write the proportion equation
255,805.44 : 383,747.68 = 87,286.40 : x - Step 2: Convert to fraction form
255,805.44/383,747.68 = 87,286.40/x - Step 3: Cross multiply
255,805.44x = 383,747.68 × 87,286.40 - Step 4: Simplify right side
255,805.44x = 33,495,953,495.55 - Step 5: Solve for x
x = 33,495,953,495.55/255,805.44 - Step 6: Final answer
x = 130,943.09
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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.