Finding the Fourth Proportional to 221,057.08, 331,325.92 and 102,478.84
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Solution
The fourth proportional to 221,057.08, 331,325.92 and 102,478.84 is: 153,597.87
Step by Step Solution
- Step 1: Write the proportion equation
221,057.08 : 331,325.92 = 102,478.84 : x - Step 2: Convert to fraction form
221,057.08/331,325.92 = 102,478.84/x - Step 3: Cross multiply
221,057.08x = 331,325.92 × 102,478.84 - Step 4: Simplify right side
221,057.08x = 33,953,895,943.53 - Step 5: Solve for x
x = 33,953,895,943.53/221,057.08 - Step 6: Final answer
x = 153,597.87
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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.