Finding the Fourth Proportional to 340,783.97, 511,267.99 and 104,120.20
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Solution
The fourth proportional to 340,783.97, 511,267.99 and 104,120.20 is: 156,208.42
Step by Step Solution
- Step 1: Write the proportion equation
340,783.97 : 511,267.99 = 104,120.20 : x - Step 2: Convert to fraction form
340,783.97/511,267.99 = 104,120.20/x - Step 3: Cross multiply
340,783.97x = 511,267.99 × 104,120.20 - Step 4: Simplify right side
340,783.97x = 53,233,325,372.40 - Step 5: Solve for x
x = 53,233,325,372.40/340,783.97 - Step 6: Final answer
x = 156,208.42
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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.