Finding the Fourth Proportional to 221,630.36, 332,445.60 and 55,418.36
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Solution
The fourth proportional to 221,630.36, 332,445.60 and 55,418.36 is: 83,127.56
Step by Step Solution
- Step 1: Write the proportion equation
221,630.36 : 332,445.60 = 55,418.36 : x - Step 2: Convert to fraction form
221,630.36/332,445.60 = 55,418.36/x - Step 3: Cross multiply
221,630.36x = 332,445.60 × 55,418.36 - Step 4: Simplify right side
221,630.36x = 18,423,589,941.22 - Step 5: Solve for x
x = 18,423,589,941.22/221,630.36 - Step 6: Final answer
x = 83,127.56
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1.5x scale
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.