Finding the Fourth Proportional to 220,564.08, 304,325.37 and 129,912.93
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Solution
The fourth proportional to 220,564.08, 304,325.37 and 129,912.93 is: 179,248.59
Step by Step Solution
- Step 1: Write the proportion equation
220,564.08 : 304,325.37 = 129,912.93 : x - Step 2: Convert to fraction form
220,564.08/304,325.37 = 129,912.93/x - Step 3: Cross multiply
220,564.08x = 304,325.37 × 129,912.93 - Step 4: Simplify right side
220,564.08x = 39,535,800,490.03 - Step 5: Solve for x
x = 39,535,800,490.03/220,564.08 - Step 6: Final answer
x = 179,248.59
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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.