Finding the Fourth Proportional to 296,764.43, 409,554.99 and 167,658.12
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Solution
The fourth proportional to 296,764.43, 409,554.99 and 167,658.12 is: 231,379.55
Step by Step Solution
- Step 1: Write the proportion equation
296,764.43 : 409,554.99 = 167,658.12 : x - Step 2: Convert to fraction form
296,764.43/409,554.99 = 167,658.12/x - Step 3: Cross multiply
296,764.43x = 409,554.99 × 167,658.12 - Step 4: Simplify right side
296,764.43x = 68,665,219,660.02 - Step 5: Solve for x
x = 68,665,219,660.02/296,764.43 - Step 6: Final answer
x = 231,379.55
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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.