Finding the Fourth Proportional to 480,212.12, 720,368.40 and 164,694.44
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Solution
The fourth proportional to 480,212.12, 720,368.40 and 164,694.44 is: 247,058.88
Step by Step Solution
- Step 1: Write the proportion equation
480,212.12 : 720,368.40 = 164,694.44 : x - Step 2: Convert to fraction form
480,212.12/720,368.40 = 164,694.44/x - Step 3: Cross multiply
480,212.12x = 720,368.40 × 164,694.44 - Step 4: Simplify right side
480,212.12x = 118,640,670,231.70 - Step 5: Solve for x
x = 118,640,670,231.70/480,212.12 - Step 6: Final answer
x = 247,058.88
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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.