Finding the Fourth Proportional to 115,924.70, 162,644.50 and 115,924.70
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Solution
The fourth proportional to 115,924.70, 162,644.50 and 115,924.70 is: 162,644.50
Step by Step Solution
- Step 1: Write the proportion equation
115,924.70 : 162,644.50 = 115,924.70 : x - Step 2: Convert to fraction form
115,924.70/162,644.50 = 115,924.70/x - Step 3: Cross multiply
115,924.70x = 162,644.50 × 115,924.70 - Step 4: Simplify right side
115,924.70x = 18,854,514,869.15 - Step 5: Solve for x
x = 18,854,514,869.15/115,924.70 - Step 6: Final answer
x = 162,644.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.