Finding the Fourth Proportional to 220,682.99, 304,564.97 and 130,068.19
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Solution
The fourth proportional to 220,682.99, 304,564.97 and 130,068.19 is: 179,507.33
Step by Step Solution
- Step 1: Write the proportion equation
220,682.99 : 304,564.97 = 130,068.19 : x - Step 2: Convert to fraction form
220,682.99/304,564.97 = 130,068.19/x - Step 3: Cross multiply
220,682.99x = 304,564.97 × 130,068.19 - Step 4: Simplify right side
220,682.99x = 39,614,214,385.30 - Step 5: Solve for x
x = 39,614,214,385.30/220,682.99 - Step 6: Final answer
x = 179,507.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.