Finding the Fourth Proportional to 440,030.20, 660,039.72 and 140,506.99
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Solution
The fourth proportional to 440,030.20, 660,039.72 and 140,506.99 is: 210,758.70
Step by Step Solution
- Step 1: Write the proportion equation
440,030.20 : 660,039.72 = 140,506.99 : x - Step 2: Convert to fraction form
440,030.20/660,039.72 = 140,506.99/x - Step 3: Cross multiply
440,030.20x = 660,039.72 × 140,506.99 - Step 4: Simplify right side
440,030.20x = 92,740,194,337.64 - Step 5: Solve for x
x = 92,740,194,337.64/440,030.20 - Step 6: Final answer
x = 210,758.70
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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.