Finding the Fourth Proportional to 73,492.80, 110,239.20 and 71,305.80
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Solution
The fourth proportional to 73,492.80, 110,239.20 and 71,305.80 is: 106,958.70
Step by Step Solution
- Step 1: Write the proportion equation
73,492.80 : 110,239.20 = 71,305.80 : x - Step 2: Convert to fraction form
73,492.80/110,239.20 = 71,305.80/x - Step 3: Cross multiply
73,492.80x = 110,239.20 × 71,305.80 - Step 4: Simplify right side
73,492.80x = 7,860,694,347.36 - Step 5: Solve for x
x = 7,860,694,347.36/73,492.80 - Step 6: Final answer
x = 106,958.70
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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.