Finding the Fourth Proportional to 220,974.24, 304,930.08 and 130,309.41
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Solution
The fourth proportional to 220,974.24, 304,930.08 and 130,309.41 is: 179,818.51
Step by Step Solution
- Step 1: Write the proportion equation
220,974.24 : 304,930.08 = 130,309.41 : x - Step 2: Convert to fraction form
220,974.24/304,930.08 = 130,309.41/x - Step 3: Cross multiply
220,974.24x = 304,930.08 × 130,309.41 - Step 4: Simplify right side
220,974.24x = 39,735,258,816.05 - Step 5: Solve for x
x = 39,735,258,816.05/220,974.24 - Step 6: Final answer
x = 179,818.51
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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.