Finding the Fourth Proportional to 239,150.99, 358,777.09 and 79,217.88
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Solution
The fourth proportional to 239,150.99, 358,777.09 and 79,217.88 is: 118,843.58
Step by Step Solution
- Step 1: Write the proportion equation
239,150.99 : 358,777.09 = 79,217.88 : x - Step 2: Convert to fraction form
239,150.99/358,777.09 = 79,217.88/x - Step 3: Cross multiply
239,150.99x = 358,777.09 × 79,217.88 - Step 4: Simplify right side
239,150.99x = 28,421,560,462.37 - Step 5: Solve for x
x = 28,421,560,462.37/239,150.99 - Step 6: Final answer
x = 118,843.58
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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.