Finding the Fourth Proportional to 192,402.39, 265,343.40 and 120,789.09
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Solution
The fourth proportional to 192,402.39, 265,343.40 and 120,789.09 is: 166,581.03
Step by Step Solution
- Step 1: Write the proportion equation
192,402.39 : 265,343.40 = 120,789.09 : x - Step 2: Convert to fraction form
192,402.39/265,343.40 = 120,789.09/x - Step 3: Cross multiply
192,402.39x = 265,343.40 × 120,789.09 - Step 4: Simplify right side
192,402.39x = 32,050,587,823.51 - Step 5: Solve for x
x = 32,050,587,823.51/192,402.39 - Step 6: Final answer
x = 166,581.03
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1.5x scale
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.