Finding the Fourth Proportional to 220,407.99, 304,141.75 and 123,615.83
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Solution
The fourth proportional to 220,407.99, 304,141.75 and 123,615.83 is: 170,577.90
Step by Step Solution
- Step 1: Write the proportion equation
220,407.99 : 304,141.75 = 123,615.83 : x - Step 2: Convert to fraction form
220,407.99/304,141.75 = 123,615.83/x - Step 3: Cross multiply
220,407.99x = 304,141.75 × 123,615.83 - Step 4: Simplify right side
220,407.99x = 37,596,732,725.11 - Step 5: Solve for x
x = 37,596,732,725.11/220,407.99 - Step 6: Final answer
x = 170,577.90
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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.