Finding the Fourth Proportional to 255,207.76, 382,529.68 and 105,365.44
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Solution
The fourth proportional to 255,207.76, 382,529.68 and 105,365.44 is: 157,931.75
Step by Step Solution
- Step 1: Write the proportion equation
255,207.76 : 382,529.68 = 105,365.44 : x - Step 2: Convert to fraction form
255,207.76/382,529.68 = 105,365.44/x - Step 3: Cross multiply
255,207.76x = 382,529.68 × 105,365.44 - Step 4: Simplify right side
255,207.76x = 40,305,408,046.26 - Step 5: Solve for x
x = 40,305,408,046.26/255,207.76 - Step 6: Final answer
x = 157,931.75
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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.