Finding the Fourth Proportional to 440,431.36, 607,795.86 and 239,227.36
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Solution
The fourth proportional to 440,431.36, 607,795.86 and 239,227.36 is: 330,134.07
Step by Step Solution
- Step 1: Write the proportion equation
440,431.36 : 607,795.86 = 239,227.36 : x - Step 2: Convert to fraction form
440,431.36/607,795.86 = 239,227.36/x - Step 3: Cross multiply
440,431.36x = 607,795.86 × 239,227.36 - Step 4: Simplify right side
440,431.36x = 145,401,399,006.73 - Step 5: Solve for x
x = 145,401,399,006.73/440,431.36 - Step 6: Final answer
x = 330,134.07
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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.