Finding the Fourth Proportional to 255,860.08, 383,787.42 and 87,378.48
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Solution
The fourth proportional to 255,860.08, 383,787.42 and 87,378.48 is: 131,066.80
Step by Step Solution
- Step 1: Write the proportion equation
255,860.08 : 383,787.42 = 87,378.48 : x - Step 2: Convert to fraction form
255,860.08/383,787.42 = 87,378.48/x - Step 3: Cross multiply
255,860.08x = 383,787.42 × 87,378.48 - Step 4: Simplify right side
255,860.08x = 33,534,761,402.72 - Step 5: Solve for x
x = 33,534,761,402.72/255,860.08 - Step 6: Final answer
x = 131,066.80
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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.