Finding the Fourth Proportional to 440,235.74, 660,321.33 and 140,635.88
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Solution
The fourth proportional to 440,235.74, 660,321.33 and 140,635.88 is: 210,943.50
Step by Step Solution
- Step 1: Write the proportion equation
440,235.74 : 660,321.33 = 140,635.88 : x - Step 2: Convert to fraction form
440,235.74/660,321.33 = 140,635.88/x - Step 3: Cross multiply
440,235.74x = 660,321.33 × 140,635.88 - Step 4: Simplify right side
440,235.74x = 92,864,869,974.53 - Step 5: Solve for x
x = 92,864,869,974.53/440,235.74 - Step 6: Final answer
x = 210,943.50
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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.