Finding the Fourth Proportional to 221,325.12, 331,983.36 and 63,550.08
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Solution
The fourth proportional to 221,325.12, 331,983.36 and 63,550.08 is: 95,323.88
Step by Step Solution
- Step 1: Write the proportion equation
221,325.12 : 331,983.36 = 63,550.08 : x - Step 2: Convert to fraction form
221,325.12/331,983.36 = 63,550.08/x - Step 3: Cross multiply
221,325.12x = 331,983.36 × 63,550.08 - Step 4: Simplify right side
221,325.12x = 21,097,569,086.67 - Step 5: Solve for x
x = 21,097,569,086.67/221,325.12 - Step 6: Final answer
x = 95,323.88
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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.