Finding the Fourth Proportional to 440,418.38, 607,777.97 and 239,214.38
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Solution
The fourth proportional to 440,418.38, 607,777.97 and 239,214.38 is: 330,116.17
Step by Step Solution
- Step 1: Write the proportion equation
440,418.38 : 607,777.97 = 239,214.38 : x - Step 2: Convert to fraction form
440,418.38/607,777.97 = 239,214.38/x - Step 3: Cross multiply
440,418.38x = 607,777.97 × 239,214.38 - Step 4: Simplify right side
440,418.38x = 145,389,226,036.25 - Step 5: Solve for x
x = 145,389,226,036.25/440,418.38 - Step 6: Final answer
x = 330,116.17
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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.