Finding the Fourth Proportional to 221,731.36, 332,709.36 and 97,073.44
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Solution
The fourth proportional to 221,731.36, 332,709.36 and 97,073.44 is: 145,659.33
Step by Step Solution
- Step 1: Write the proportion equation
221,731.36 : 332,709.36 = 97,073.44 : x - Step 2: Convert to fraction form
221,731.36/332,709.36 = 97,073.44/x - Step 3: Cross multiply
221,731.36x = 332,709.36 × 97,073.44 - Step 4: Simplify right side
221,731.36x = 32,297,242,095.40 - Step 5: Solve for x
x = 32,297,242,095.40/221,731.36 - Step 6: Final answer
x = 145,659.33
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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.