Finding the Fourth Proportional to 239,786.24, 330,903.14 and 132,356.20
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Solution
The fourth proportional to 239,786.24, 330,903.14 and 132,356.20 is: 182,650.52
Step by Step Solution
- Step 1: Write the proportion equation
239,786.24 : 330,903.14 = 132,356.20 : x - Step 2: Convert to fraction form
239,786.24/330,903.14 = 132,356.20/x - Step 3: Cross multiply
239,786.24x = 330,903.14 × 132,356.20 - Step 4: Simplify right side
239,786.24x = 43,797,082,178.47 - Step 5: Solve for x
x = 43,797,082,178.47/239,786.24 - Step 6: Final answer
x = 182,650.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.