Finding the Fourth Proportional to 440,257.44, 660,013.08 and 174,205.62
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Solution
The fourth proportional to 440,257.44, 660,013.08 and 174,205.62 is: 261,160.81
Step by Step Solution
- Step 1: Write the proportion equation
440,257.44 : 660,013.08 = 174,205.62 : x - Step 2: Convert to fraction form
440,257.44/660,013.08 = 174,205.62/x - Step 3: Cross multiply
440,257.44x = 660,013.08 × 174,205.62 - Step 4: Simplify right side
440,257.44x = 114,977,987,809.51 - Step 5: Solve for x
x = 114,977,987,809.51/440,257.44 - Step 6: Final answer
x = 261,160.81
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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.