Finding the Fourth Proportional to 440,029.70, 660,038.97 and 140,506.49
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Solution
The fourth proportional to 440,029.70, 660,038.97 and 140,506.49 is: 210,757.95
Step by Step Solution
- Step 1: Write the proportion equation
440,029.70 : 660,038.97 = 140,506.49 : x - Step 2: Convert to fraction form
440,029.70/660,038.97 = 140,506.49/x - Step 3: Cross multiply
440,029.70x = 660,038.97 × 140,506.49 - Step 4: Simplify right side
440,029.70x = 92,739,755,637.72 - Step 5: Solve for x
x = 92,739,755,637.72/440,029.70 - Step 6: Final answer
x = 210,757.95
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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.