Finding the Fourth Proportional to 147,936.62, 221,883.06 and 54,420.50
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Solution
The fourth proportional to 147,936.62, 221,883.06 and 54,420.50 is: 81,622.70
Step by Step Solution
- Step 1: Write the proportion equation
147,936.62 : 221,883.06 = 54,420.50 : x - Step 2: Convert to fraction form
147,936.62/221,883.06 = 54,420.50/x - Step 3: Cross multiply
147,936.62x = 221,883.06 × 54,420.50 - Step 4: Simplify right side
147,936.62x = 12,074,987,066.73 - Step 5: Solve for x
x = 12,074,987,066.73/147,936.62 - Step 6: Final answer
x = 81,622.70
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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.