Finding the Fourth Proportional to 274,798.30, 412,246.05 and 97,408.30
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Solution
The fourth proportional to 274,798.30, 412,246.05 and 97,408.30 is: 146,129.68
Step by Step Solution
- Step 1: Write the proportion equation
274,798.30 : 412,246.05 = 97,408.30 : x - Step 2: Convert to fraction form
274,798.30/412,246.05 = 97,408.30/x - Step 3: Cross multiply
274,798.30x = 412,246.05 × 97,408.30 - Step 4: Simplify right side
274,798.30x = 40,156,186,912.22 - Step 5: Solve for x
x = 40,156,186,912.22/274,798.30 - Step 6: Final answer
x = 146,129.68
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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.