Finding the Fourth Proportional to 192,867.09, 289,346.82 and 80,484.79
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Solution
The fourth proportional to 192,867.09, 289,346.82 and 80,484.79 is: 120,746.45
Step by Step Solution
- Step 1: Write the proportion equation
192,867.09 : 289,346.82 = 80,484.79 : x - Step 2: Convert to fraction form
192,867.09/289,346.82 = 80,484.79/x - Step 3: Cross multiply
192,867.09x = 289,346.82 × 80,484.79 - Step 4: Simplify right side
192,867.09x = 23,288,017,562.21 - Step 5: Solve for x
x = 23,288,017,562.21/192,867.09 - Step 6: Final answer
x = 120,746.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.