Finding the Fourth Proportional to 221,343.70, 332,188.35 and 103,029.70
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Solution
The fourth proportional to 221,343.70, 332,188.35 and 103,029.70 is: 154,624.98
Step by Step Solution
- Step 1: Write the proportion equation
221,343.70 : 332,188.35 = 103,029.70 : x - Step 2: Convert to fraction form
221,343.70/332,188.35 = 103,029.70/x - Step 3: Cross multiply
221,343.70x = 332,188.35 × 103,029.70 - Step 4: Simplify right side
221,343.70x = 34,225,266,044.00 - Step 5: Solve for x
x = 34,225,266,044.00/221,343.70 - Step 6: Final answer
x = 154,624.98
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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.