Finding the Fourth Proportional to 72,226.19, 108,319.83 and 25,472.99
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Solution
The fourth proportional to 72,226.19, 108,319.83 and 25,472.99 is: 38,202.62
Step by Step Solution
- Step 1: Write the proportion equation
72,226.19 : 108,319.83 = 25,472.99 : x - Step 2: Convert to fraction form
72,226.19/108,319.83 = 25,472.99/x - Step 3: Cross multiply
72,226.19x = 108,319.83 × 25,472.99 - Step 4: Simplify right side
72,226.19x = 2,759,229,404.79 - Step 5: Solve for x
x = 2,759,229,404.79/72,226.19 - Step 6: Final answer
x = 38,202.62
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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.