Finding the Fourth Proportional to 221,235.36, 331,852.96 and 55,023.36
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Solution
The fourth proportional to 221,235.36, 331,852.96 and 55,023.36 is: 82,535.02
Step by Step Solution
- Step 1: Write the proportion equation
221,235.36 : 331,852.96 = 55,023.36 : x - Step 2: Convert to fraction form
221,235.36/331,852.96 = 55,023.36/x - Step 3: Cross multiply
221,235.36x = 331,852.96 × 55,023.36 - Step 4: Simplify right side
221,235.36x = 18,259,664,885.15 - Step 5: Solve for x
x = 18,259,664,885.15/221,235.36 - Step 6: Final answer
x = 82,535.02
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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.