Finding the Fourth Proportional to 236,765.70, 326,743.70 and 129,337.52
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Solution
The fourth proportional to 236,765.70, 326,743.70 and 129,337.52 is: 178,489.61
Step by Step Solution
- Step 1: Write the proportion equation
236,765.70 : 326,743.70 = 129,337.52 : x - Step 2: Convert to fraction form
236,765.70/326,743.70 = 129,337.52/x - Step 3: Cross multiply
236,765.70x = 326,743.70 × 129,337.52 - Step 4: Simplify right side
236,765.70x = 42,260,217,553.22 - Step 5: Solve for x
x = 42,260,217,553.22/236,765.70 - Step 6: Final answer
x = 178,489.61
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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.