Finding the Fourth Proportional to 479,056.41, 718,588.26 and 212,745.42
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Solution
The fourth proportional to 479,056.41, 718,588.26 and 212,745.42 is: 319,119.75
Step by Step Solution
- Step 1: Write the proportion equation
479,056.41 : 718,588.26 = 212,745.42 : x - Step 2: Convert to fraction form
479,056.41/718,588.26 = 212,745.42/x - Step 3: Cross multiply
479,056.41x = 718,588.26 × 212,745.42 - Step 4: Simplify right side
479,056.41x = 152,876,361,180.77 - Step 5: Solve for x
x = 152,876,361,180.77/479,056.41 - Step 6: Final answer
x = 319,119.75
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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.