Finding the Fourth Proportional to 221,164.05, 331,746.08 and 54,952.05
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Solution
The fourth proportional to 221,164.05, 331,746.08 and 54,952.05 is: 82,428.08
Step by Step Solution
- Step 1: Write the proportion equation
221,164.05 : 331,746.08 = 54,952.05 : x - Step 2: Convert to fraction form
221,164.05/331,746.08 = 54,952.05/x - Step 3: Cross multiply
221,164.05x = 331,746.08 × 54,952.05 - Step 4: Simplify right side
221,164.05x = 18,230,126,900.70 - Step 5: Solve for x
x = 18,230,126,900.70/221,164.05 - Step 6: Final answer
x = 82,428.08
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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.