Finding the Fourth Proportional to 192,002.36, 288,253.01 and 147,660.53
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Solution
The fourth proportional to 192,002.36, 288,253.01 and 147,660.53 is: 221,682.65
Step by Step Solution
- Step 1: Write the proportion equation
192,002.36 : 288,253.01 = 147,660.53 : x - Step 2: Convert to fraction form
192,002.36/288,253.01 = 147,660.53/x - Step 3: Cross multiply
192,002.36x = 288,253.01 × 147,660.53 - Step 4: Simplify right side
192,002.36x = 42,563,591,158.58 - Step 5: Solve for x
x = 42,563,591,158.58/192,002.36 - Step 6: Final answer
x = 221,682.65
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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.