Finding the Fourth Proportional to 192,120.58, 288,177.19 and 86,866.02
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Solution
The fourth proportional to 192,120.58, 288,177.19 and 86,866.02 is: 130,297.37
Step by Step Solution
- Step 1: Write the proportion equation
192,120.58 : 288,177.19 = 86,866.02 : x - Step 2: Convert to fraction form
192,120.58/288,177.19 = 86,866.02/x - Step 3: Cross multiply
192,120.58x = 288,177.19 × 86,866.02 - Step 4: Simplify right side
192,120.58x = 25,032,805,550.08 - Step 5: Solve for x
x = 25,032,805,550.08/192,120.58 - Step 6: Final answer
x = 130,297.37
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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.