Finding the Fourth Proportional to 221,441.80, 332,162.70 and 103,343.80
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Solution
The fourth proportional to 221,441.80, 332,162.70 and 103,343.80 is: 155,015.70
Step by Step Solution
- Step 1: Write the proportion equation
221,441.80 : 332,162.70 = 103,343.80 : x - Step 2: Convert to fraction form
221,441.80/332,162.70 = 103,343.80/x - Step 3: Cross multiply
221,441.80x = 332,162.70 × 103,343.80 - Step 4: Simplify right side
221,441.80x = 34,326,955,636.26 - Step 5: Solve for x
x = 34,326,955,636.26/221,441.80 - Step 6: Final answer
x = 155,015.70
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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.