Finding the Fourth Proportional to 189,358.93, 261,227.26 and 112,835.08
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Solution
The fourth proportional to 189,358.93, 261,227.26 and 112,835.08 is: 155,659.94
Step by Step Solution
- Step 1: Write the proportion equation
189,358.93 : 261,227.26 = 112,835.08 : x - Step 2: Convert to fraction form
189,358.93/261,227.26 = 112,835.08/x - Step 3: Cross multiply
189,358.93x = 261,227.26 × 112,835.08 - Step 4: Simplify right side
189,358.93x = 29,475,598,780.28 - Step 5: Solve for x
x = 29,475,598,780.28/189,358.93 - Step 6: Final answer
x = 155,659.94
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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.