Finding the Fourth Proportional to 444,905.18, 667,422.84 and 129,321.08
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Solution
The fourth proportional to 444,905.18, 667,422.84 and 129,321.08 is: 194,000.53
Step by Step Solution
- Step 1: Write the proportion equation
444,905.18 : 667,422.84 = 129,321.08 : x - Step 2: Convert to fraction form
444,905.18/667,422.84 = 129,321.08/x - Step 3: Cross multiply
444,905.18x = 667,422.84 × 129,321.08 - Step 4: Simplify right side
444,905.18x = 86,311,842,485.47 - Step 5: Solve for x
x = 86,311,842,485.47/444,905.18 - Step 6: Final answer
x = 194,000.53
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1.5x scale
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.