Finding the Fourth Proportional to 480,277.67, 720,540.93 and 255,453.05
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Solution
The fourth proportional to 480,277.67, 720,540.93 and 255,453.05 is: 383,245.75
Step by Step Solution
- Step 1: Write the proportion equation
480,277.67 : 720,540.93 = 255,453.05 : x - Step 2: Convert to fraction form
480,277.67/720,540.93 = 255,453.05/x - Step 3: Cross multiply
480,277.67x = 720,540.93 × 255,453.05 - Step 4: Simplify right side
480,277.67x = 184,064,374,615.63 - Step 5: Solve for x
x = 184,064,374,615.63/480,277.67 - Step 6: Final answer
x = 383,245.75
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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.