Finding the Fourth Proportional to 221,432.44, 332,067.10 and 79,239.14
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Solution
The fourth proportional to 221,432.44, 332,067.10 and 79,239.14 is: 118,829.52
Step by Step Solution
- Step 1: Write the proportion equation
221,432.44 : 332,067.10 = 79,239.14 : x - Step 2: Convert to fraction form
221,432.44/332,067.10 = 79,239.14/x - Step 3: Cross multiply
221,432.44x = 332,067.10 × 79,239.14 - Step 4: Simplify right side
221,432.44x = 26,312,711,426.29 - Step 5: Solve for x
x = 26,312,711,426.29/221,432.44 - Step 6: Final answer
x = 118,829.52
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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.