Finding the Fourth Proportional to 72,735.18, 109,102.68 and 22,819.65
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Solution
The fourth proportional to 72,735.18, 109,102.68 and 22,819.65 is: 34,229.45
Step by Step Solution
- Step 1: Write the proportion equation
72,735.18 : 109,102.68 = 22,819.65 : x - Step 2: Convert to fraction form
72,735.18/109,102.68 = 22,819.65/x - Step 3: Cross multiply
72,735.18x = 109,102.68 × 22,819.65 - Step 4: Simplify right side
72,735.18x = 2,489,684,971.66 - Step 5: Solve for x
x = 2,489,684,971.66/72,735.18 - Step 6: Final answer
x = 34,229.45
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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.