Finding the Fourth Proportional to 440,029.20, 660,038.22 and 140,505.99
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Solution
The fourth proportional to 440,029.20, 660,038.22 and 140,505.99 is: 210,757.20
Step by Step Solution
- Step 1: Write the proportion equation
440,029.20 : 660,038.22 = 140,505.99 : x - Step 2: Convert to fraction form
440,029.20/660,038.22 = 140,505.99/x - Step 3: Cross multiply
440,029.20x = 660,038.22 × 140,505.99 - Step 4: Simplify right side
440,029.20x = 92,739,323,538.94 - Step 5: Solve for x
x = 92,739,323,538.94/440,029.20 - Step 6: Final answer
x = 210,757.20
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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.