Finding the Fourth Proportional to 221,879.26, 332,818.08 and 103,484.80
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Solution
The fourth proportional to 221,879.26, 332,818.08 and 103,484.80 is: 155,226.82
Step by Step Solution
- Step 1: Write the proportion equation
221,879.26 : 332,818.08 = 103,484.80 : x - Step 2: Convert to fraction form
221,879.26/332,818.08 = 103,484.80/x - Step 3: Cross multiply
221,879.26x = 332,818.08 × 103,484.80 - Step 4: Simplify right side
221,879.26x = 34,441,612,445.18 - Step 5: Solve for x
x = 34,441,612,445.18/221,879.26 - Step 6: Final answer
x = 155,226.82
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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.