Finding the Fourth Proportional to 274,744.98, 412,258.21 and 130,813.68
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Solution
The fourth proportional to 274,744.98, 412,258.21 and 130,813.68 is: 196,287.53
Step by Step Solution
- Step 1: Write the proportion equation
274,744.98 : 412,258.21 = 130,813.68 : x - Step 2: Convert to fraction form
274,744.98/412,258.21 = 130,813.68/x - Step 3: Cross multiply
274,744.98x = 412,258.21 × 130,813.68 - Step 4: Simplify right side
274,744.98x = 53,929,014,779.25 - Step 5: Solve for x
x = 53,929,014,779.25/274,744.98 - Step 6: Final answer
x = 196,287.53
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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.