Finding the Fourth Proportional to 192,530.21, 288,814.60 and 66,153.80
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Solution
The fourth proportional to 192,530.21, 288,814.60 and 66,153.80 is: 99,237.33
Step by Step Solution
- Step 1: Write the proportion equation
192,530.21 : 288,814.60 = 66,153.80 : x - Step 2: Convert to fraction form
192,530.21/288,814.60 = 66,153.80/x - Step 3: Cross multiply
192,530.21x = 288,814.60 × 66,153.80 - Step 4: Simplify right side
192,530.21x = 19,106,182,954.71 - Step 5: Solve for x
x = 19,106,182,954.71/192,530.21 - Step 6: Final answer
x = 99,237.33
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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.