Finding the Fourth Proportional to 274,857.40, 412,140.30 and 97,370.20
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Solution
The fourth proportional to 274,857.40, 412,140.30 and 97,370.20 is: 146,003.65
Step by Step Solution
- Step 1: Write the proportion equation
274,857.40 : 412,140.30 = 97,370.20 : x - Step 2: Convert to fraction form
274,857.40/412,140.30 = 97,370.20/x - Step 3: Cross multiply
274,857.40x = 412,140.30 × 97,370.20 - Step 4: Simplify right side
274,857.40x = 40,130,183,439.06 - Step 5: Solve for x
x = 40,130,183,439.06/274,857.40 - Step 6: Final answer
x = 146,003.65
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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.