Finding the Fourth Proportional to 440,431.90, 607,838.68 and 246,872.49
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Solution
The fourth proportional to 440,431.90, 607,838.68 and 246,872.49 is: 340,707.95
Step by Step Solution
- Step 1: Write the proportion equation
440,431.90 : 607,838.68 = 246,872.49 : x - Step 2: Convert to fraction form
440,431.90/607,838.68 = 246,872.49/x - Step 3: Cross multiply
440,431.90x = 607,838.68 × 246,872.49 - Step 4: Simplify right side
440,431.90x = 150,058,648,449.91 - Step 5: Solve for x
x = 150,058,648,449.91/440,431.90 - Step 6: Final answer
x = 340,707.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.