Finding the Fourth Proportional to 236,697.03, 326,640.24 and 129,267.09
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Solution
The fourth proportional to 236,697.03, 326,640.24 and 129,267.09 is: 178,387.68
Step by Step Solution
- Step 1: Write the proportion equation
236,697.03 : 326,640.24 = 129,267.09 : x - Step 2: Convert to fraction form
236,697.03/326,640.24 = 129,267.09/x - Step 3: Cross multiply
236,697.03x = 326,640.24 × 129,267.09 - Step 4: Simplify right side
236,697.03x = 42,223,833,301.70 - Step 5: Solve for x
x = 42,223,833,301.70/236,697.03 - Step 6: Final answer
x = 178,387.68
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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.