Finding the Fourth Proportional to 192,489.71, 288,765.70 and 59,338.83
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Solution
The fourth proportional to 192,489.71, 288,765.70 and 59,338.83 is: 89,017.84
Step by Step Solution
- Step 1: Write the proportion equation
192,489.71 : 288,765.70 = 59,338.83 : x - Step 2: Convert to fraction form
192,489.71/288,765.70 = 59,338.83/x - Step 3: Cross multiply
192,489.71x = 288,765.70 × 59,338.83 - Step 4: Simplify right side
192,489.71x = 17,135,018,782.13 - Step 5: Solve for x
x = 17,135,018,782.13/192,489.71 - Step 6: Final answer
x = 89,017.84
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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.