Finding the Fourth Proportional to 157,877.08, 217,794.41 and 114,789.80
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Solution
The fourth proportional to 157,877.08, 217,794.41 and 114,789.80 is: 158,354.69
Step by Step Solution
- Step 1: Write the proportion equation
157,877.08 : 217,794.41 = 114,789.80 : x - Step 2: Convert to fraction form
157,877.08/217,794.41 = 114,789.80/x - Step 3: Cross multiply
157,877.08x = 217,794.41 × 114,789.80 - Step 4: Simplify right side
157,877.08x = 25,000,576,765.02 - Step 5: Solve for x
x = 25,000,576,765.02/157,877.08 - Step 6: Final answer
x = 158,354.69
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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.